Home / 38,386,947.20-57,580,420.82-12,827,956.62

Finding the Fourth Proportional to 38,386,947.20, 57,580,420.82 and 12,827,956.62

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Solution

The fourth proportional to 38,386,947.20, 57,580,420.82 and 12,827,956.62 is: 19,241,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386,947.20 : 57,580,420.82 = 12,827,956.62 : x
  2. Step 2: Convert to fraction form
    38,386,947.20/57,580,420.82 = 12,827,956.62/x
  3. Step 3: Cross multiply
    38,386,947.20x = 57,580,420.82 × 12,827,956.62
  4. Step 4: Simplify right side
    38,386,947.20x = 738,639,140,440,304.75
  5. Step 5: Solve for x
    x = 738,639,140,440,304.75/38,386,947.20
  6. Step 6: Final answer
    x = 19,241,934.94

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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.