Home / 9,121,323.60-13,681,985.40-8,377,306.20

Finding the Fourth Proportional to 9,121,323.60, 13,681,985.40 and 8,377,306.20

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Solution

The fourth proportional to 9,121,323.60, 13,681,985.40 and 8,377,306.20 is: 12,565,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,323.60 : 13,681,985.40 = 8,377,306.20 : x
  2. Step 2: Convert to fraction form
    9,121,323.60/13,681,985.40 = 8,377,306.20/x
  3. Step 3: Cross multiply
    9,121,323.60x = 13,681,985.40 × 8,377,306.20
  4. Step 4: Simplify right side
    9,121,323.60x = 114,618,181,119,729.48
  5. Step 5: Solve for x
    x = 114,618,181,119,729.48/9,121,323.60
  6. Step 6: Final answer
    x = 12,565,959.30

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Similar ratio
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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.