Home / 7,721,341.20-10,651,023.82-4,815,687.53

Finding the Fourth Proportional to 7,721,341.20, 10,651,023.82 and 4,815,687.53

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Solution

The fourth proportional to 7,721,341.20, 10,651,023.82 and 4,815,687.53 is: 6,642,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,341.20 : 10,651,023.82 = 4,815,687.53 : x
  2. Step 2: Convert to fraction form
    7,721,341.20/10,651,023.82 = 4,815,687.53/x
  3. Step 3: Cross multiply
    7,721,341.20x = 10,651,023.82 × 4,815,687.53
  4. Step 4: Simplify right side
    7,721,341.20x = 51,292,002,624,354.12
  5. Step 5: Solve for x
    x = 51,292,002,624,354.12/7,721,341.20
  6. Step 6: Final answer
    x = 6,642,887.72

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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.