Home / 28,969,787.20-43,454,680.80-15,532,859.20

Finding the Fourth Proportional to 28,969,787.20, 43,454,680.80 and 15,532,859.20

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Solution

The fourth proportional to 28,969,787.20, 43,454,680.80 and 15,532,859.20 is: 23,299,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,787.20 : 43,454,680.80 = 15,532,859.20 : x
  2. Step 2: Convert to fraction form
    28,969,787.20/43,454,680.80 = 15,532,859.20/x
  3. Step 3: Cross multiply
    28,969,787.20x = 43,454,680.80 × 15,532,859.20
  4. Step 4: Simplify right side
    28,969,787.20x = 674,975,438,447,343.25
  5. Step 5: Solve for x
    x = 674,975,438,447,343.25/28,969,787.20
  6. Step 6: Final answer
    x = 23,299,288.80

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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.