Home / 28,392,813.70-42,589,220.55-13,248,276.10

Finding the Fourth Proportional to 28,392,813.70, 42,589,220.55 and 13,248,276.10

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Solution

The fourth proportional to 28,392,813.70, 42,589,220.55 and 13,248,276.10 is: 19,872,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,813.70 : 42,589,220.55 = 13,248,276.10 : x
  2. Step 2: Convert to fraction form
    28,392,813.70/42,589,220.55 = 13,248,276.10/x
  3. Step 3: Cross multiply
    28,392,813.70x = 42,589,220.55 × 13,248,276.10
  4. Step 4: Simplify right side
    28,392,813.70x = 564,233,752,730,193.75
  5. Step 5: Solve for x
    x = 564,233,752,730,193.75/28,392,813.70
  6. Step 6: Final answer
    x = 19,872,414.15

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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.