Home / 28,969,546.80-43,454,320.20-15,304,004.40

Finding the Fourth Proportional to 28,969,546.80, 43,454,320.20 and 15,304,004.40

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Solution

The fourth proportional to 28,969,546.80, 43,454,320.20 and 15,304,004.40 is: 22,956,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,546.80 : 43,454,320.20 = 15,304,004.40 : x
  2. Step 2: Convert to fraction form
    28,969,546.80/43,454,320.20 = 15,304,004.40/x
  3. Step 3: Cross multiply
    28,969,546.80x = 43,454,320.20 × 15,304,004.40
  4. Step 4: Simplify right side
    28,969,546.80x = 665,025,107,539,809
  5. Step 5: Solve for x
    x = 665,025,107,539,809/28,969,546.80
  6. Step 6: Final answer
    x = 22,956,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.