Home / 38,761,794.17-53,493,658.69-21,358,134.78

Finding the Fourth Proportional to 38,761,794.17, 53,493,658.69 and 21,358,134.78

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Solution

The fourth proportional to 38,761,794.17, 53,493,658.69 and 21,358,134.78 is: 29,475,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,794.17 : 53,493,658.69 = 21,358,134.78 : x
  2. Step 2: Convert to fraction form
    38,761,794.17/53,493,658.69 = 21,358,134.78/x
  3. Step 3: Cross multiply
    38,761,794.17x = 53,493,658.69 × 21,358,134.78
  4. Step 4: Simplify right side
    38,761,794.17x = 1,142,524,771,962,367
  5. Step 5: Solve for x
    x = 1,142,524,771,962,367/38,761,794.17
  6. Step 6: Final answer
    x = 29,475,538.90

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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.