Home / 7,108,901.20-10,663,351.80-6,325,080.40

Finding the Fourth Proportional to 7,108,901.20, 10,663,351.80 and 6,325,080.40

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Solution

The fourth proportional to 7,108,901.20, 10,663,351.80 and 6,325,080.40 is: 9,487,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108,901.20 : 10,663,351.80 = 6,325,080.40 : x
  2. Step 2: Convert to fraction form
    7,108,901.20/10,663,351.80 = 6,325,080.40/x
  3. Step 3: Cross multiply
    7,108,901.20x = 10,663,351.80 × 6,325,080.40
  4. Step 4: Simplify right side
    7,108,901.20x = 67,446,557,468,484.73
  5. Step 5: Solve for x
    x = 67,446,557,468,484.73/7,108,901.20
  6. Step 6: Final answer
    x = 9,487,620.60

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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.