Home / 28,442,635.75-39,236,377.12-17,276,157.29

Finding the Fourth Proportional to 28,442,635.75, 39,236,377.12 and 17,276,157.29

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Solution

The fourth proportional to 28,442,635.75, 39,236,377.12 and 17,276,157.29 is: 23,832,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442,635.75 : 39,236,377.12 = 17,276,157.29 : x
  2. Step 2: Convert to fraction form
    28,442,635.75/39,236,377.12 = 17,276,157.29/x
  3. Step 3: Cross multiply
    28,442,635.75x = 39,236,377.12 × 17,276,157.29
  4. Step 4: Simplify right side
    28,442,635.75x = 677,853,822,669,777.75
  5. Step 5: Solve for x
    x = 677,853,822,669,777.75/28,442,635.75
  6. Step 6: Final answer
    x = 23,832,313.88

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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.