Home / 9,510,064.64-13,123,882.50-5,159,151.78

Finding the Fourth Proportional to 9,510,064.64, 13,123,882.50 and 5,159,151.78

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Solution

The fourth proportional to 9,510,064.64, 13,123,882.50 and 5,159,151.78 is: 7,119,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510,064.64 : 13,123,882.50 = 5,159,151.78 : x
  2. Step 2: Convert to fraction form
    9,510,064.64/13,123,882.50 = 5,159,151.78/x
  3. Step 3: Cross multiply
    9,510,064.64x = 13,123,882.50 × 5,159,151.78
  4. Step 4: Simplify right side
    9,510,064.64x = 67,708,101,760,385.85
  5. Step 5: Solve for x
    x = 67,708,101,760,385.85/9,510,064.64
  6. Step 6: Final answer
    x = 7,119,625.82

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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.