Home / 12,466,527.60-18,700,374.60-3,947,530.80

Finding the Fourth Proportional to 12,466,527.60, 18,700,374.60 and 3,947,530.80

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Solution

The fourth proportional to 12,466,527.60, 18,700,374.60 and 3,947,530.80 is: 5,921,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,527.60 : 18,700,374.60 = 3,947,530.80 : x
  2. Step 2: Convert to fraction form
    12,466,527.60/18,700,374.60 = 3,947,530.80/x
  3. Step 3: Cross multiply
    12,466,527.60x = 18,700,374.60 × 3,947,530.80
  4. Step 4: Simplify right side
    12,466,527.60x = 73,820,304,705,037.69
  5. Step 5: Solve for x
    x = 73,820,304,705,037.69/12,466,527.60
  6. Step 6: Final answer
    x = 5,921,480.87

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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.