Home / 7,518,398.85-10,375,400.52-4,080,638.97

Finding the Fourth Proportional to 7,518,398.85, 10,375,400.52 and 4,080,638.97

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Solution

The fourth proportional to 7,518,398.85, 10,375,400.52 and 4,080,638.97 is: 5,631,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,398.85 : 10,375,400.52 = 4,080,638.97 : x
  2. Step 2: Convert to fraction form
    7,518,398.85/10,375,400.52 = 4,080,638.97/x
  3. Step 3: Cross multiply
    7,518,398.85x = 10,375,400.52 × 4,080,638.97
  4. Step 4: Simplify right side
    7,518,398.85x = 42,338,263,691,270.27
  5. Step 5: Solve for x
    x = 42,338,263,691,270.27/7,518,398.85
  6. Step 6: Final answer
    x = 5,631,287.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.