Home / 7,488,001.65-11,232,002.48-7,278,049.65

Finding the Fourth Proportional to 7,488,001.65, 11,232,002.48 and 7,278,049.65

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Solution

The fourth proportional to 7,488,001.65, 11,232,002.48 and 7,278,049.65 is: 10,917,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,001.65 : 11,232,002.48 = 7,278,049.65 : x
  2. Step 2: Convert to fraction form
    7,488,001.65/11,232,002.48 = 7,278,049.65/x
  3. Step 3: Cross multiply
    7,488,001.65x = 11,232,002.48 × 7,278,049.65
  4. Step 4: Simplify right side
    7,488,001.65x = 81,747,071,681,972.89
  5. Step 5: Solve for x
    x = 81,747,071,681,972.89/7,488,001.65
  6. Step 6: Final answer
    x = 10,917,074.48

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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.