Home / 20,587,086.40-30,859,634.40-12,063,035.20

Finding the Fourth Proportional to 20,587,086.40, 30,859,634.40 and 12,063,035.20

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Solution

The fourth proportional to 20,587,086.40, 30,859,634.40 and 12,063,035.20 is: 18,082,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,086.40 : 30,859,634.40 = 12,063,035.20 : x
  2. Step 2: Convert to fraction form
    20,587,086.40/30,859,634.40 = 12,063,035.20/x
  3. Step 3: Cross multiply
    20,587,086.40x = 30,859,634.40 × 12,063,035.20
  4. Step 4: Simplify right side
    20,587,086.40x = 372,260,856,026,330.81
  5. Step 5: Solve for x
    x = 372,260,856,026,330.81/20,587,086.40
  6. Step 6: Final answer
    x = 18,082,250.63

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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.