Home / 10,909,319.56-16,363,979.17-10,363,808.86

Finding the Fourth Proportional to 10,909,319.56, 16,363,979.17 and 10,363,808.86

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Solution

The fourth proportional to 10,909,319.56, 16,363,979.17 and 10,363,808.86 is: 15,545,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,319.56 : 16,363,979.17 = 10,363,808.86 : x
  2. Step 2: Convert to fraction form
    10,909,319.56/16,363,979.17 = 10,363,808.86/x
  3. Step 3: Cross multiply
    10,909,319.56x = 16,363,979.17 × 10,363,808.86
  4. Step 4: Simplify right side
    10,909,319.56x = 169,593,152,240,081.97
  5. Step 5: Solve for x
    x = 169,593,152,240,081.97/10,909,319.56
  6. Step 6: Final answer
    x = 15,545,713.13

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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.