Home / 6,479,398.20-9,719,097.30-5,219,686.20

Finding the Fourth Proportional to 6,479,398.20, 9,719,097.30 and 5,219,686.20

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Solution

The fourth proportional to 6,479,398.20, 9,719,097.30 and 5,219,686.20 is: 7,829,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479,398.20 : 9,719,097.30 = 5,219,686.20 : x
  2. Step 2: Convert to fraction form
    6,479,398.20/9,719,097.30 = 5,219,686.20/x
  3. Step 3: Cross multiply
    6,479,398.20x = 9,719,097.30 × 5,219,686.20
  4. Step 4: Simplify right side
    6,479,398.20x = 50,730,638,053,267.27
  5. Step 5: Solve for x
    x = 50,730,638,053,267.27/6,479,398.20
  6. Step 6: Final answer
    x = 7,829,529.30

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Double scale
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Similar ratio
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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.