Home / 28,977,487.93-39,988,100.19-15,924,731.14

Finding the Fourth Proportional to 28,977,487.93, 39,988,100.19 and 15,924,731.14

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Solution

The fourth proportional to 28,977,487.93, 39,988,100.19 and 15,924,731.14 is: 21,975,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,487.93 : 39,988,100.19 = 15,924,731.14 : x
  2. Step 2: Convert to fraction form
    28,977,487.93/39,988,100.19 = 15,924,731.14/x
  3. Step 3: Cross multiply
    28,977,487.93x = 39,988,100.19 × 15,924,731.14
  4. Step 4: Simplify right side
    28,977,487.93x = 636,799,744,325,132.88
  5. Step 5: Solve for x
    x = 636,799,744,325,132.88/28,977,487.93
  6. Step 6: Final answer
    x = 21,975,671.11

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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.