Home / 20,019,865.43-30,032,160.11-15,003,062.39

Finding the Fourth Proportional to 20,019,865.43, 30,032,160.11 and 15,003,062.39

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Solution

The fourth proportional to 20,019,865.43, 30,032,160.11 and 15,003,062.39 is: 22,506,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,865.43 : 30,032,160.11 = 15,003,062.39 : x
  2. Step 2: Convert to fraction form
    20,019,865.43/30,032,160.11 = 15,003,062.39/x
  3. Step 3: Cross multiply
    20,019,865.43x = 30,032,160.11 × 15,003,062.39
  4. Step 4: Simplify right side
    20,019,865.43x = 450,574,371,836,799.25
  5. Step 5: Solve for x
    x = 450,574,371,836,799.25/20,019,865.43
  6. Step 6: Final answer
    x = 22,506,363.66

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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.