Home / 12,542,544.60-18,813,816.90-4,023,742.20

Finding the Fourth Proportional to 12,542,544.60, 18,813,816.90 and 4,023,742.20

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Solution

The fourth proportional to 12,542,544.60, 18,813,816.90 and 4,023,742.20 is: 6,035,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,544.60 : 18,813,816.90 = 4,023,742.20 : x
  2. Step 2: Convert to fraction form
    12,542,544.60/18,813,816.90 = 4,023,742.20/x
  3. Step 3: Cross multiply
    12,542,544.60x = 18,813,816.90 × 4,023,742.20
  4. Step 4: Simplify right side
    12,542,544.60x = 75,701,949,003,603.17
  5. Step 5: Solve for x
    x = 75,701,949,003,603.17/12,542,544.60
  6. Step 6: Final answer
    x = 6,035,613.30

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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.