Home / 31,592,039.70-47,388,059.55-17,987,150.10

Finding the Fourth Proportional to 31,592,039.70, 47,388,059.55 and 17,987,150.10

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Solution

The fourth proportional to 31,592,039.70, 47,388,059.55 and 17,987,150.10 is: 26,980,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,039.70 : 47,388,059.55 = 17,987,150.10 : x
  2. Step 2: Convert to fraction form
    31,592,039.70/47,388,059.55 = 17,987,150.10/x
  3. Step 3: Cross multiply
    31,592,039.70x = 47,388,059.55 × 17,987,150.10
  4. Step 4: Simplify right side
    31,592,039.70x = 852,376,140,073,588.50
  5. Step 5: Solve for x
    x = 852,376,140,073,588.50/31,592,039.70
  6. Step 6: Final answer
    x = 26,980,725.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.