Home / 14,279,767.31-19,706,421.30-7,753,671.83

Finding the Fourth Proportional to 14,279,767.31, 19,706,421.30 and 7,753,671.83

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Solution

The fourth proportional to 14,279,767.31, 19,706,421.30 and 7,753,671.83 is: 10,700,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,767.31 : 19,706,421.30 = 7,753,671.83 : x
  2. Step 2: Convert to fraction form
    14,279,767.31/19,706,421.30 = 7,753,671.83/x
  3. Step 3: Cross multiply
    14,279,767.31x = 19,706,421.30 × 7,753,671.83
  4. Step 4: Simplify right side
    14,279,767.31x = 152,797,123,703,922
  5. Step 5: Solve for x
    x = 152,797,123,703,922/14,279,767.31
  6. Step 6: Final answer
    x = 10,700,253.05

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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.