Home / 9,691,315.20-13,373,462.88-5,560,470.72

Finding the Fourth Proportional to 9,691,315.20, 13,373,462.88 and 5,560,470.72

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Solution

The fourth proportional to 9,691,315.20, 13,373,462.88 and 5,560,470.72 is: 7,673,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,315.20 : 13,373,462.88 = 5,560,470.72 : x
  2. Step 2: Convert to fraction form
    9,691,315.20/13,373,462.88 = 5,560,470.72/x
  3. Step 3: Cross multiply
    9,691,315.20x = 13,373,462.88 × 5,560,470.72
  4. Step 4: Simplify right side
    9,691,315.20x = 74,362,748,769,246.88
  5. Step 5: Solve for x
    x = 74,362,748,769,246.88/9,691,315.20
  6. Step 6: Final answer
    x = 7,673,132.82

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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.