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Finding the Fourth Proportional to 6,376,258.20, 9,564,387.30 and 6,376,258.20

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Solution

The fourth proportional to 6,376,258.20, 9,564,387.30 and 6,376,258.20 is: 9,564,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376,258.20 : 9,564,387.30 = 6,376,258.20 : x
  2. Step 2: Convert to fraction form
    6,376,258.20/9,564,387.30 = 6,376,258.20/x
  3. Step 3: Cross multiply
    6,376,258.20x = 9,564,387.30 × 6,376,258.20
  4. Step 4: Simplify right side
    6,376,258.20x = 60,985,002,949,600.87
  5. Step 5: Solve for x
    x = 60,985,002,949,600.87/6,376,258.20
  6. Step 6: Final answer
    x = 9,564,387.30

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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.