Home / 10,478,215.35-14,452,142.72-9,252,358.11

Finding the Fourth Proportional to 10,478,215.35, 14,452,142.72 and 9,252,358.11

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Solution

The fourth proportional to 10,478,215.35, 14,452,142.72 and 9,252,358.11 is: 12,761,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,215.35 : 14,452,142.72 = 9,252,358.11 : x
  2. Step 2: Convert to fraction form
    10,478,215.35/14,452,142.72 = 9,252,358.11/x
  3. Step 3: Cross multiply
    10,478,215.35x = 14,452,142.72 × 9,252,358.11
  4. Step 4: Simplify right side
    10,478,215.35x = 133,716,399,856,007.66
  5. Step 5: Solve for x
    x = 133,716,399,856,007.66/10,478,215.35
  6. Step 6: Final answer
    x = 12,761,371.61

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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.