Home / 12,377,114.10-18,565,671.15-9,188,468.10

Finding the Fourth Proportional to 12,377,114.10, 18,565,671.15 and 9,188,468.10

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Solution

The fourth proportional to 12,377,114.10, 18,565,671.15 and 9,188,468.10 is: 13,782,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,114.10 : 18,565,671.15 = 9,188,468.10 : x
  2. Step 2: Convert to fraction form
    12,377,114.10/18,565,671.15 = 9,188,468.10/x
  3. Step 3: Cross multiply
    12,377,114.10x = 18,565,671.15 × 9,188,468.10
  4. Step 4: Simplify right side
    12,377,114.10x = 170,590,077,116,865.28
  5. Step 5: Solve for x
    x = 170,590,077,116,865.28/12,377,114.10
  6. Step 6: Final answer
    x = 13,782,702.15

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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.