Home / 7,847,772.85-11,771,659.28-7,406,873.65

Finding the Fourth Proportional to 7,847,772.85, 11,771,659.28 and 7,406,873.65

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Solution

The fourth proportional to 7,847,772.85, 11,771,659.28 and 7,406,873.65 is: 11,110,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847,772.85 : 11,771,659.28 = 7,406,873.65 : x
  2. Step 2: Convert to fraction form
    7,847,772.85/11,771,659.28 = 7,406,873.65/x
  3. Step 3: Cross multiply
    7,847,772.85x = 11,771,659.28 × 7,406,873.65
  4. Step 4: Simplify right side
    7,847,772.85x = 87,191,192,900,775.61
  5. Step 5: Solve for x
    x = 87,191,192,900,775.61/7,847,772.85
  6. Step 6: Final answer
    x = 11,110,310.48

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Double scale
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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.