Home / 38,836,182.41-58,263,758.18-12,928,433.66

Finding the Fourth Proportional to 38,836,182.41, 58,263,758.18 and 12,928,433.66

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Solution

The fourth proportional to 38,836,182.41, 58,263,758.18 and 12,928,433.66 is: 19,395,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836,182.41 : 58,263,758.18 = 12,928,433.66 : x
  2. Step 2: Convert to fraction form
    38,836,182.41/58,263,758.18 = 12,928,433.66/x
  3. Step 3: Cross multiply
    38,836,182.41x = 58,263,758.18 × 12,928,433.66
  4. Step 4: Simplify right side
    38,836,182.41x = 753,259,132,412,412.38
  5. Step 5: Solve for x
    x = 753,259,132,412,412.38/38,836,182.41
  6. Step 6: Final answer
    x = 19,395,807.87

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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.