Home / 14,687,938.30-20,268,952.02-8,161,400.20

Finding the Fourth Proportional to 14,687,938.30, 20,268,952.02 and 8,161,400.20

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Solution

The fourth proportional to 14,687,938.30, 20,268,952.02 and 8,161,400.20 is: 11,262,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,938.30 : 20,268,952.02 = 8,161,400.20 : x
  2. Step 2: Convert to fraction form
    14,687,938.30/20,268,952.02 = 8,161,400.20/x
  3. Step 3: Cross multiply
    14,687,938.30x = 20,268,952.02 × 8,161,400.20
  4. Step 4: Simplify right side
    14,687,938.30x = 165,423,029,069,818.41
  5. Step 5: Solve for x
    x = 165,423,029,069,818.41/14,687,938.30
  6. Step 6: Final answer
    x = 11,262,508.44

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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.