Home / 6,474,760.20-9,712,140.30-3,115,528.20

Finding the Fourth Proportional to 6,474,760.20, 9,712,140.30 and 3,115,528.20

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Solution

The fourth proportional to 6,474,760.20, 9,712,140.30 and 3,115,528.20 is: 4,673,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,760.20 : 9,712,140.30 = 3,115,528.20 : x
  2. Step 2: Convert to fraction form
    6,474,760.20/9,712,140.30 = 3,115,528.20/x
  3. Step 3: Cross multiply
    6,474,760.20x = 9,712,140.30 × 3,115,528.20
  4. Step 4: Simplify right side
    6,474,760.20x = 30,258,446,987,006.46
  5. Step 5: Solve for x
    x = 30,258,446,987,006.46/6,474,760.20
  6. Step 6: Final answer
    x = 4,673,292.30

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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.