Home / 28,153,819.31-42,215,333.88-22,355,253.24

Finding the Fourth Proportional to 28,153,819.31, 42,215,333.88 and 22,355,253.24

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Solution

The fourth proportional to 28,153,819.31, 42,215,333.88 and 22,355,253.24 is: 33,520,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,819.31 : 42,215,333.88 = 22,355,253.24 : x
  2. Step 2: Convert to fraction form
    28,153,819.31/42,215,333.88 = 22,355,253.24/x
  3. Step 3: Cross multiply
    28,153,819.31x = 42,215,333.88 × 22,355,253.24
  4. Step 4: Simplify right side
    28,153,819.31x = 943,734,479,498,551.75
  5. Step 5: Solve for x
    x = 943,734,479,498,551.75/28,153,819.31
  6. Step 6: Final answer
    x = 33,520,655.56

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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.