Home / 36,790,809.52-55,194,761.76-12,529,947.28

Finding the Fourth Proportional to 36,790,809.52, 55,194,761.76 and 12,529,947.28

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Solution

The fourth proportional to 36,790,809.52, 55,194,761.76 and 12,529,947.28 is: 18,797,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,790,809.52 : 55,194,761.76 = 12,529,947.28 : x
  2. Step 2: Convert to fraction form
    36,790,809.52/55,194,761.76 = 12,529,947.28/x
  3. Step 3: Cross multiply
    36,790,809.52x = 55,194,761.76 × 12,529,947.28
  4. Step 4: Simplify right side
    36,790,809.52x = 691,587,454,984,960
  5. Step 5: Solve for x
    x = 691,587,454,984,960/36,790,809.52
  6. Step 6: Final answer
    x = 18,797,831.96

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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.