Home / 28,752,902.19-39,679,055.10-15,699,882.92

Finding the Fourth Proportional to 28,752,902.19, 39,679,055.10 and 15,699,882.92

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Solution

The fourth proportional to 28,752,902.19, 39,679,055.10 and 15,699,882.92 is: 21,665,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752,902.19 : 39,679,055.10 = 15,699,882.92 : x
  2. Step 2: Convert to fraction form
    28,752,902.19/39,679,055.10 = 15,699,882.92/x
  3. Step 3: Cross multiply
    28,752,902.19x = 39,679,055.10 × 15,699,882.92
  4. Step 4: Simplify right side
    28,752,902.19x = 622,956,519,247,833.62
  5. Step 5: Solve for x
    x = 622,956,519,247,833.62/28,752,902.19
  6. Step 6: Final answer
    x = 21,665,865.77

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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.