Home / 10,913,891.49-16,366,084.79-3,131,088.75

Finding the Fourth Proportional to 10,913,891.49, 16,366,084.79 and 3,131,088.75

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Solution

The fourth proportional to 10,913,891.49, 16,366,084.79 and 3,131,088.75 is: 4,695,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,891.49 : 16,366,084.79 = 3,131,088.75 : x
  2. Step 2: Convert to fraction form
    10,913,891.49/16,366,084.79 = 3,131,088.75/x
  3. Step 3: Cross multiply
    10,913,891.49x = 16,366,084.79 × 3,131,088.75
  4. Step 4: Simplify right side
    10,913,891.49x = 51,243,663,951,859.67
  5. Step 5: Solve for x
    x = 51,243,663,951,859.67/10,913,891.49
  6. Step 6: Final answer
    x = 4,695,269.69

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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.