Home / 13,304,780.90-19,957,171.35-8,521,811.90

Finding the Fourth Proportional to 13,304,780.90, 19,957,171.35 and 8,521,811.90

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Solution

The fourth proportional to 13,304,780.90, 19,957,171.35 and 8,521,811.90 is: 12,782,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,780.90 : 19,957,171.35 = 8,521,811.90 : x
  2. Step 2: Convert to fraction form
    13,304,780.90/19,957,171.35 = 8,521,811.90/x
  3. Step 3: Cross multiply
    13,304,780.90x = 19,957,171.35 × 8,521,811.90
  4. Step 4: Simplify right side
    13,304,780.90x = 170,071,260,300,769.09
  5. Step 5: Solve for x
    x = 170,071,260,300,769.09/13,304,780.90
  6. Step 6: Final answer
    x = 12,782,717.85

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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.