Home / 21,519,909.60-29,697,088.95-11,730,437.52

Finding the Fourth Proportional to 21,519,909.60, 29,697,088.95 and 11,730,437.52

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Solution

The fourth proportional to 21,519,909.60, 29,697,088.95 and 11,730,437.52 is: 16,187,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,909.60 : 29,697,088.95 = 11,730,437.52 : x
  2. Step 2: Convert to fraction form
    21,519,909.60/29,697,088.95 = 11,730,437.52/x
  3. Step 3: Cross multiply
    21,519,909.60x = 29,697,088.95 × 11,730,437.52
  4. Step 4: Simplify right side
    21,519,909.60x = 348,359,846,453,857.38
  5. Step 5: Solve for x
    x = 348,359,846,453,857.38/21,519,909.60
  6. Step 6: Final answer
    x = 16,187,793.21

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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.