Home / 13,554,523.20-20,347,531.20-8,169,254.40

Finding the Fourth Proportional to 13,554,523.20, 20,347,531.20 and 8,169,254.40

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Solution

The fourth proportional to 13,554,523.20, 20,347,531.20 and 8,169,254.40 is: 12,263,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,523.20 : 20,347,531.20 = 8,169,254.40 : x
  2. Step 2: Convert to fraction form
    13,554,523.20/20,347,531.20 = 8,169,254.40/x
  3. Step 3: Cross multiply
    13,554,523.20x = 20,347,531.20 × 8,169,254.40
  4. Step 4: Simplify right side
    13,554,523.20x = 166,224,158,784,737.28
  5. Step 5: Solve for x
    x = 166,224,158,784,737.28/13,554,523.20
  6. Step 6: Final answer
    x = 12,263,371.89

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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.