Home / 13,721,454.72-20,554,739.28-8,253,529.47

Finding the Fourth Proportional to 13,721,454.72, 20,554,739.28 and 8,253,529.47

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Solution

The fourth proportional to 13,721,454.72, 20,554,739.28 and 8,253,529.47 is: 12,363,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,454.72 : 20,554,739.28 = 8,253,529.47 : x
  2. Step 2: Convert to fraction form
    13,721,454.72/20,554,739.28 = 8,253,529.47/x
  3. Step 3: Cross multiply
    13,721,454.72x = 20,554,739.28 × 8,253,529.47
  4. Step 4: Simplify right side
    13,721,454.72x = 169,649,146,395,646.59
  5. Step 5: Solve for x
    x = 169,649,146,395,646.59/13,721,454.72
  6. Step 6: Final answer
    x = 12,363,787.21

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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.