Home / 20,951,488.51-31,418,069.13-10,570,318.92

Finding the Fourth Proportional to 20,951,488.51, 31,418,069.13 and 10,570,318.92

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Solution

The fourth proportional to 20,951,488.51, 31,418,069.13 and 10,570,318.92 is: 15,850,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,488.51 : 31,418,069.13 = 10,570,318.92 : x
  2. Step 2: Convert to fraction form
    20,951,488.51/31,418,069.13 = 10,570,318.92/x
  3. Step 3: Cross multiply
    20,951,488.51x = 31,418,069.13 × 10,570,318.92
  4. Step 4: Simplify right side
    20,951,488.51x = 332,099,010,554,706.94
  5. Step 5: Solve for x
    x = 332,099,010,554,706.94/20,951,488.51
  6. Step 6: Final answer
    x = 15,850,855.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.