Home / 12,429,717.44-17,153,872.17-7,535,145.83

Finding the Fourth Proportional to 12,429,717.44, 17,153,872.17 and 7,535,145.83

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Solution

The fourth proportional to 12,429,717.44, 17,153,872.17 and 7,535,145.83 is: 10,399,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,717.44 : 17,153,872.17 = 7,535,145.83 : x
  2. Step 2: Convert to fraction form
    12,429,717.44/17,153,872.17 = 7,535,145.83/x
  3. Step 3: Cross multiply
    12,429,717.44x = 17,153,872.17 × 7,535,145.83
  4. Step 4: Simplify right side
    12,429,717.44x = 129,256,928,350,128.56
  5. Step 5: Solve for x
    x = 129,256,928,350,128.56/12,429,717.44
  6. Step 6: Final answer
    x = 10,399,023.87

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1.5x scale

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.