Home / 19,381,604.40-29,037,414.60-11,287,954.80

Finding the Fourth Proportional to 19,381,604.40, 29,037,414.60 and 11,287,954.80

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Solution

The fourth proportional to 19,381,604.40, 29,037,414.60 and 11,287,954.80 is: 16,911,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381,604.40 : 29,037,414.60 = 11,287,954.80 : x
  2. Step 2: Convert to fraction form
    19,381,604.40/29,037,414.60 = 11,287,954.80/x
  3. Step 3: Cross multiply
    19,381,604.40x = 29,037,414.60 × 11,287,954.80
  4. Step 4: Simplify right side
    19,381,604.40x = 327,773,023,513,660.12
  5. Step 5: Solve for x
    x = 327,773,023,513,660.12/19,381,604.40
  6. Step 6: Final answer
    x = 16,911,552.66

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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.