Home / 28,427,387.86-39,231,589.06-16,032,959.02

Finding the Fourth Proportional to 28,427,387.86, 39,231,589.06 and 16,032,959.02

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Solution

The fourth proportional to 28,427,387.86, 39,231,589.06 and 16,032,959.02 is: 22,126,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,387.86 : 39,231,589.06 = 16,032,959.02 : x
  2. Step 2: Convert to fraction form
    28,427,387.86/39,231,589.06 = 16,032,959.02/x
  3. Step 3: Cross multiply
    28,427,387.86x = 39,231,589.06 × 16,032,959.02
  4. Step 4: Simplify right side
    28,427,387.86x = 628,998,459,688,460.38
  5. Step 5: Solve for x
    x = 628,998,459,688,460.38/28,427,387.86
  6. Step 6: Final answer
    x = 22,126,495.15

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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.