Home / 10,369,858.20-15,554,787.30-8,951,515.80

Finding the Fourth Proportional to 10,369,858.20, 15,554,787.30 and 8,951,515.80

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Solution

The fourth proportional to 10,369,858.20, 15,554,787.30 and 8,951,515.80 is: 13,427,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,858.20 : 15,554,787.30 = 8,951,515.80 : x
  2. Step 2: Convert to fraction form
    10,369,858.20/15,554,787.30 = 8,951,515.80/x
  3. Step 3: Cross multiply
    10,369,858.20x = 15,554,787.30 × 8,951,515.80
  4. Step 4: Simplify right side
    10,369,858.20x = 139,238,924,281,589.36
  5. Step 5: Solve for x
    x = 139,238,924,281,589.36/10,369,858.20
  6. Step 6: Final answer
    x = 13,427,273.70

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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.