Home / 13,853,587.20-20,780,737.20-6,565,336.80

Finding the Fourth Proportional to 13,853,587.20, 20,780,737.20 and 6,565,336.80

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Solution

The fourth proportional to 13,853,587.20, 20,780,737.20 and 6,565,336.80 is: 9,848,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,587.20 : 20,780,737.20 = 6,565,336.80 : x
  2. Step 2: Convert to fraction form
    13,853,587.20/20,780,737.20 = 6,565,336.80/x
  3. Step 3: Cross multiply
    13,853,587.20x = 20,780,737.20 × 6,565,336.80
  4. Step 4: Simplify right side
    13,853,587.20x = 136,432,538,670,288.95
  5. Step 5: Solve for x
    x = 136,432,538,670,288.95/13,853,587.20
  6. Step 6: Final answer
    x = 9,848,174.10

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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.