Home / 28,482,147.52-42,725,847.84-9,313,002.88

Finding the Fourth Proportional to 28,482,147.52, 42,725,847.84 and 9,313,002.88

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Solution

The fourth proportional to 28,482,147.52, 42,725,847.84 and 9,313,002.88 is: 13,970,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,147.52 : 42,725,847.84 = 9,313,002.88 : x
  2. Step 2: Convert to fraction form
    28,482,147.52/42,725,847.84 = 9,313,002.88/x
  3. Step 3: Cross multiply
    28,482,147.52x = 42,725,847.84 × 9,313,002.88
  4. Step 4: Simplify right side
    28,482,147.52x = 397,905,943,984,361.88
  5. Step 5: Solve for x
    x = 397,905,943,984,361.88/28,482,147.52
  6. Step 6: Final answer
    x = 13,970,363.14

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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.