Home / 13,344,453.12-18,415,377.92-7,232,875.52

Finding the Fourth Proportional to 13,344,453.12, 18,415,377.92 and 7,232,875.52

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Solution

The fourth proportional to 13,344,453.12, 18,415,377.92 and 7,232,875.52 is: 9,981,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344,453.12 : 18,415,377.92 = 7,232,875.52 : x
  2. Step 2: Convert to fraction form
    13,344,453.12/18,415,377.92 = 7,232,875.52/x
  3. Step 3: Cross multiply
    13,344,453.12x = 18,415,377.92 × 7,232,875.52
  4. Step 4: Simplify right side
    13,344,453.12x = 133,196,136,149,116.52
  5. Step 5: Solve for x
    x = 133,196,136,149,116.52/13,344,453.12
  6. Step 6: Final answer
    x = 9,981,385.90

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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.