Home / 13,755,147.40-18,982,275.42-7,560,870.40

Finding the Fourth Proportional to 13,755,147.40, 18,982,275.42 and 7,560,870.40

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Solution

The fourth proportional to 13,755,147.40, 18,982,275.42 and 7,560,870.40 is: 10,434,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,147.40 : 18,982,275.42 = 7,560,870.40 : x
  2. Step 2: Convert to fraction form
    13,755,147.40/18,982,275.42 = 7,560,870.40/x
  3. Step 3: Cross multiply
    13,755,147.40x = 18,982,275.42 × 7,560,870.40
  4. Step 4: Simplify right side
    13,755,147.40x = 143,522,524,347,725.59
  5. Step 5: Solve for x
    x = 143,522,524,347,725.59/13,755,147.40
  6. Step 6: Final answer
    x = 10,434,095.70

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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.