Home / 15,402,546.28-21,254,706.21-8,431,888.38

Finding the Fourth Proportional to 15,402,546.28, 21,254,706.21 and 8,431,888.38

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Solution

The fourth proportional to 15,402,546.28, 21,254,706.21 and 8,431,888.38 is: 11,635,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402,546.28 : 21,254,706.21 = 8,431,888.38 : x
  2. Step 2: Convert to fraction form
    15,402,546.28/21,254,706.21 = 8,431,888.38/x
  3. Step 3: Cross multiply
    15,402,546.28x = 21,254,706.21 × 8,431,888.38
  4. Step 4: Simplify right side
    15,402,546.28x = 179,217,310,312,412.88
  5. Step 5: Solve for x
    x = 179,217,310,312,412.88/15,402,546.28
  6. Step 6: Final answer
    x = 11,635,563.83

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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.