Home / 7,345,127.40-11,017,691.10-5,665,511.40

Finding the Fourth Proportional to 7,345,127.40, 11,017,691.10 and 5,665,511.40

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Solution

The fourth proportional to 7,345,127.40, 11,017,691.10 and 5,665,511.40 is: 8,498,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,127.40 : 11,017,691.10 = 5,665,511.40 : x
  2. Step 2: Convert to fraction form
    7,345,127.40/11,017,691.10 = 5,665,511.40/x
  3. Step 3: Cross multiply
    7,345,127.40x = 11,017,691.10 × 5,665,511.40
  4. Step 4: Simplify right side
    7,345,127.40x = 62,420,854,528,728.54
  5. Step 5: Solve for x
    x = 62,420,854,528,728.54/7,345,127.40
  6. Step 6: Final answer
    x = 8,498,267.10

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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.