Home / 8,258,076.40-12,387,114.60-6,132,312.40

Finding the Fourth Proportional to 8,258,076.40, 12,387,114.60 and 6,132,312.40

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Solution

The fourth proportional to 8,258,076.40, 12,387,114.60 and 6,132,312.40 is: 9,198,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,076.40 : 12,387,114.60 = 6,132,312.40 : x
  2. Step 2: Convert to fraction form
    8,258,076.40/12,387,114.60 = 6,132,312.40/x
  3. Step 3: Cross multiply
    8,258,076.40x = 12,387,114.60 × 6,132,312.40
  4. Step 4: Simplify right side
    8,258,076.40x = 75,961,656,461,801.05
  5. Step 5: Solve for x
    x = 75,961,656,461,801.05/8,258,076.40
  6. Step 6: Final answer
    x = 9,198,468.60

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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.