Home / 19,730,447.70-29,595,671.55-18,218,793.30

Finding the Fourth Proportional to 19,730,447.70, 29,595,671.55 and 18,218,793.30

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Solution

The fourth proportional to 19,730,447.70, 29,595,671.55 and 18,218,793.30 is: 27,328,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730,447.70 : 29,595,671.55 = 18,218,793.30 : x
  2. Step 2: Convert to fraction form
    19,730,447.70/29,595,671.55 = 18,218,793.30/x
  3. Step 3: Cross multiply
    19,730,447.70x = 29,595,671.55 × 18,218,793.30
  4. Step 4: Simplify right side
    19,730,447.70x = 539,197,422,544,140.62
  5. Step 5: Solve for x
    x = 539,197,422,544,140.62/19,730,447.70
  6. Step 6: Final answer
    x = 27,328,189.95

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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.