Home / 19,377,753.40-29,059,631.70-9,789,945.40

Finding the Fourth Proportional to 19,377,753.40, 29,059,631.70 and 9,789,945.40

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Solution

The fourth proportional to 19,377,753.40, 29,059,631.70 and 9,789,945.40 is: 14,681,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377,753.40 : 29,059,631.70 = 9,789,945.40 : x
  2. Step 2: Convert to fraction form
    19,377,753.40/29,059,631.70 = 9,789,945.40/x
  3. Step 3: Cross multiply
    19,377,753.40x = 29,059,631.70 × 9,789,945.40
  4. Step 4: Simplify right side
    19,377,753.40x = 284,492,207,687,109.19
  5. Step 5: Solve for x
    x = 284,492,207,687,109.19/19,377,753.40
  6. Step 6: Final answer
    x = 14,681,382.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.