Home / 13,565,589.90-20,348,384.85-9,260,917.80

Finding the Fourth Proportional to 13,565,589.90, 20,348,384.85 and 9,260,917.80

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Solution

The fourth proportional to 13,565,589.90, 20,348,384.85 and 9,260,917.80 is: 13,891,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,589.90 : 20,348,384.85 = 9,260,917.80 : x
  2. Step 2: Convert to fraction form
    13,565,589.90/20,348,384.85 = 9,260,917.80/x
  3. Step 3: Cross multiply
    13,565,589.90x = 20,348,384.85 × 9,260,917.80
  4. Step 4: Simplify right side
    13,565,589.90x = 188,444,719,458,615.34
  5. Step 5: Solve for x
    x = 188,444,719,458,615.34/13,565,589.90
  6. Step 6: Final answer
    x = 13,891,376.70

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Double scale
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Similar ratio
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1.5x scale

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.