Home / 20,329,877.18-28,055,631.75-11,162,439.74

Finding the Fourth Proportional to 20,329,877.18, 28,055,631.75 and 11,162,439.74

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Solution

The fourth proportional to 20,329,877.18, 28,055,631.75 and 11,162,439.74 is: 15,404,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329,877.18 : 28,055,631.75 = 11,162,439.74 : x
  2. Step 2: Convert to fraction form
    20,329,877.18/28,055,631.75 = 11,162,439.74/x
  3. Step 3: Cross multiply
    20,329,877.18x = 28,055,631.75 × 11,162,439.74
  4. Step 4: Simplify right side
    20,329,877.18x = 313,169,298,777,005.75
  5. Step 5: Solve for x
    x = 313,169,298,777,005.75/20,329,877.18
  6. Step 6: Final answer
    x = 15,404,387.15

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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.