Home / 7,452,001.40-11,178,002.10-7,242,049.40

Finding the Fourth Proportional to 7,452,001.40, 11,178,002.10 and 7,242,049.40

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Solution

The fourth proportional to 7,452,001.40, 11,178,002.10 and 7,242,049.40 is: 10,863,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,001.40 : 11,178,002.10 = 7,242,049.40 : x
  2. Step 2: Convert to fraction form
    7,452,001.40/11,178,002.10 = 7,242,049.40/x
  3. Step 3: Cross multiply
    7,452,001.40x = 11,178,002.10 × 7,242,049.40
  4. Step 4: Simplify right side
    7,452,001.40x = 80,951,643,401,503.73
  5. Step 5: Solve for x
    x = 80,951,643,401,503.73/7,452,001.40
  6. Step 6: Final answer
    x = 10,863,074.10

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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.