Home / 15,677,969,995.28-21,621,065,706.76-11,442,172,532.24

Finding the Fourth Proportional to 15,677,969,995.28, 21,621,065,706.76 and 11,442,172,532.24

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Solution

The fourth proportional to 15,677,969,995.28, 21,621,065,706.76 and 11,442,172,532.24 is: 15,779,591,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677,969,995.28 : 21,621,065,706.76 = 11,442,172,532.24 : x
  2. Step 2: Convert to fraction form
    15,677,969,995.28/21,621,065,706.76 = 11,442,172,532.24/x
  3. Step 3: Cross multiply
    15,677,969,995.28x = 21,621,065,706.76 × 11,442,172,532.24
  4. Step 4: Simplify right side
    15,677,969,995.28x = 247,391,964,147,645,480,960
  5. Step 5: Solve for x
    x = 247,391,964,147,645,480,960/15,677,969,995.28
  6. Step 6: Final answer
    x = 15,779,591,632.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.