Home / 28,634,973-39,516,269.22-15,757,917

Finding the Fourth Proportional to 28,634,973, 39,516,269.22 and 15,757,917

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Solution

The fourth proportional to 28,634,973, 39,516,269.22 and 15,757,917 is: 21,745,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634,973 : 39,516,269.22 = 15,757,917 : x
  2. Step 2: Convert to fraction form
    28,634,973/39,516,269.22 = 15,757,917/x
  3. Step 3: Cross multiply
    28,634,973x = 39,516,269.22 × 15,757,917
  4. Step 4: Simplify right side
    28,634,973x = 622,694,090,518,414.75
  5. Step 5: Solve for x
    x = 622,694,090,518,414.75/28,634,973
  6. Step 6: Final answer
    x = 21,745,929.03

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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.