Home / 7,452,002.10-11,178,003.15-7,168,566.90

Finding the Fourth Proportional to 7,452,002.10, 11,178,003.15 and 7,168,566.90

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Solution

The fourth proportional to 7,452,002.10, 11,178,003.15 and 7,168,566.90 is: 10,752,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,002.10 : 11,178,003.15 = 7,168,566.90 : x
  2. Step 2: Convert to fraction form
    7,452,002.10/11,178,003.15 = 7,168,566.90/x
  3. Step 3: Cross multiply
    7,452,002.10x = 11,178,003.15 × 7,168,566.90
  4. Step 4: Simplify right side
    7,452,002.10x = 80,130,263,389,185.73
  5. Step 5: Solve for x
    x = 80,130,263,389,185.73/7,452,002.10
  6. Step 6: Final answer
    x = 10,752,850.35

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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.