Home / 38,836,180.92-58,263,755.92-12,928,432.16

Finding the Fourth Proportional to 38,836,180.92, 58,263,755.92 and 12,928,432.16

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Solution

The fourth proportional to 38,836,180.92, 58,263,755.92 and 12,928,432.16 is: 19,395,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836,180.92 : 58,263,755.92 = 12,928,432.16 : x
  2. Step 2: Convert to fraction form
    38,836,180.92/58,263,755.92 = 12,928,432.16/x
  3. Step 3: Cross multiply
    38,836,180.92x = 58,263,755.92 × 12,928,432.16
  4. Step 4: Simplify right side
    38,836,180.92x = 753,259,015,798,518.38
  5. Step 5: Solve for x
    x = 753,259,015,798,518.38/38,836,180.92
  6. Step 6: Final answer
    x = 19,395,805.61

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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.