Home / 36,380,330.70-54,578,077.65-12,126,792.30

Finding the Fourth Proportional to 36,380,330.70, 54,578,077.65 and 12,126,792.30

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Solution

The fourth proportional to 36,380,330.70, 54,578,077.65 and 12,126,792.30 is: 18,192,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380,330.70 : 54,578,077.65 = 12,126,792.30 : x
  2. Step 2: Convert to fraction form
    36,380,330.70/54,578,077.65 = 12,126,792.30/x
  3. Step 3: Cross multiply
    36,380,330.70x = 54,578,077.65 × 12,126,792.30
  4. Step 4: Simplify right side
    36,380,330.70x = 661,857,011,794,822.12
  5. Step 5: Solve for x
    x = 661,857,011,794,822.12/36,380,330.70
  6. Step 6: Final answer
    x = 18,192,715.65

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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.