Home / 20,158,744.70-30,238,117.05-12,096,587.90

Finding the Fourth Proportional to 20,158,744.70, 30,238,117.05 and 12,096,587.90

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Solution

The fourth proportional to 20,158,744.70, 30,238,117.05 and 12,096,587.90 is: 18,144,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,744.70 : 30,238,117.05 = 12,096,587.90 : x
  2. Step 2: Convert to fraction form
    20,158,744.70/30,238,117.05 = 12,096,587.90/x
  3. Step 3: Cross multiply
    20,158,744.70x = 30,238,117.05 × 12,096,587.90
  4. Step 4: Simplify right side
    20,158,744.70x = 365,778,040,825,813.69
  5. Step 5: Solve for x
    x = 365,778,040,825,813.69/20,158,744.70
  6. Step 6: Final answer
    x = 18,144,881.85

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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.