Home / 13,565,558.40-20,348,337.60-9,260,886.30

Finding the Fourth Proportional to 13,565,558.40, 20,348,337.60 and 9,260,886.30

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Solution

The fourth proportional to 13,565,558.40, 20,348,337.60 and 9,260,886.30 is: 13,891,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,558.40 : 20,348,337.60 = 9,260,886.30 : x
  2. Step 2: Convert to fraction form
    13,565,558.40/20,348,337.60 = 9,260,886.30/x
  3. Step 3: Cross multiply
    13,565,558.40x = 20,348,337.60 × 9,260,886.30
  4. Step 4: Simplify right side
    13,565,558.40x = 188,443,640,907,614.91
  5. Step 5: Solve for x
    x = 188,443,640,907,614.91/13,565,558.40
  6. Step 6: Final answer
    x = 13,891,329.45

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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.