Home / 12,452,541.60-18,678,812.40-4,876,989.60

Finding the Fourth Proportional to 12,452,541.60, 18,678,812.40 and 4,876,989.60

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Solution

The fourth proportional to 12,452,541.60, 18,678,812.40 and 4,876,989.60 is: 7,315,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,541.60 : 18,678,812.40 = 4,876,989.60 : x
  2. Step 2: Convert to fraction form
    12,452,541.60/18,678,812.40 = 4,876,989.60/x
  3. Step 3: Cross multiply
    12,452,541.60x = 18,678,812.40 × 4,876,989.60
  4. Step 4: Simplify right side
    12,452,541.60x = 91,096,373,815,151.03
  5. Step 5: Solve for x
    x = 91,096,373,815,151.03/12,452,541.60
  6. Step 6: Final answer
    x = 7,315,484.40

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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.