Home / 20,019,876.68-30,032,176.98-15,003,073.64

Finding the Fourth Proportional to 20,019,876.68, 30,032,176.98 and 15,003,073.64

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Solution

The fourth proportional to 20,019,876.68, 30,032,176.98 and 15,003,073.64 is: 22,506,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,876.68 : 30,032,176.98 = 15,003,073.64 : x
  2. Step 2: Convert to fraction form
    20,019,876.68/30,032,176.98 = 15,003,073.64/x
  3. Step 3: Cross multiply
    20,019,876.68x = 30,032,176.98 × 15,003,073.64
  4. Step 4: Simplify right side
    20,019,876.68x = 450,574,962,800,452.81
  5. Step 5: Solve for x
    x = 450,574,962,800,452.81/20,019,876.68
  6. Step 6: Final answer
    x = 22,506,380.53

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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.