Home / 9,389,853.28-12,952,701.84-5,469,147.28

Finding the Fourth Proportional to 9,389,853.28, 12,952,701.84 and 5,469,147.28

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Solution

The fourth proportional to 9,389,853.28, 12,952,701.84 and 5,469,147.28 is: 7,544,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,853.28 : 12,952,701.84 = 5,469,147.28 : x
  2. Step 2: Convert to fraction form
    9,389,853.28/12,952,701.84 = 5,469,147.28/x
  3. Step 3: Cross multiply
    9,389,853.28x = 12,952,701.84 × 5,469,147.28
  4. Step 4: Simplify right side
    9,389,853.28x = 70,840,234,036,887
  5. Step 5: Solve for x
    x = 70,840,234,036,887/9,389,853.28
  6. Step 6: Final answer
    x = 7,544,338.76

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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.