Home / 19,327,532.45-28,991,304.14-5,680,679.78

Finding the Fourth Proportional to 19,327,532.45, 28,991,304.14 and 5,680,679.78

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Solution

The fourth proportional to 19,327,532.45, 28,991,304.14 and 5,680,679.78 is: 8,521,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,532.45 : 28,991,304.14 = 5,680,679.78 : x
  2. Step 2: Convert to fraction form
    19,327,532.45/28,991,304.14 = 5,680,679.78/x
  3. Step 3: Cross multiply
    19,327,532.45x = 28,991,304.14 × 5,680,679.78
  4. Step 4: Simplify right side
    19,327,532.45x = 164,690,315,268,003.16
  5. Step 5: Solve for x
    x = 164,690,315,268,003.16/19,327,532.45
  6. Step 6: Final answer
    x = 8,521,021.28

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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.