Home / 12,293,152.20-18,439,728.30-8,046,419.40

Finding the Fourth Proportional to 12,293,152.20, 18,439,728.30 and 8,046,419.40

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Solution

The fourth proportional to 12,293,152.20, 18,439,728.30 and 8,046,419.40 is: 12,069,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,152.20 : 18,439,728.30 = 8,046,419.40 : x
  2. Step 2: Convert to fraction form
    12,293,152.20/18,439,728.30 = 8,046,419.40/x
  3. Step 3: Cross multiply
    12,293,152.20x = 18,439,728.30 × 8,046,419.40
  4. Step 4: Simplify right side
    12,293,152.20x = 148,373,787,523,849.03
  5. Step 5: Solve for x
    x = 148,373,787,523,849.03/12,293,152.20
  6. Step 6: Final answer
    x = 12,069,629.10

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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.