Home / 10,921,526.40-16,392,787.20-5,536,257.60

Finding the Fourth Proportional to 10,921,526.40, 16,392,787.20 and 5,536,257.60

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Solution

The fourth proportional to 10,921,526.40, 16,392,787.20 and 5,536,257.60 is: 8,309,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,526.40 : 16,392,787.20 = 5,536,257.60 : x
  2. Step 2: Convert to fraction form
    10,921,526.40/16,392,787.20 = 5,536,257.60/x
  3. Step 3: Cross multiply
    10,921,526.40x = 16,392,787.20 × 5,536,257.60
  4. Step 4: Simplify right side
    10,921,526.40x = 90,754,692,721,182.70
  5. Step 5: Solve for x
    x = 90,754,692,721,182.70/10,921,526.40
  6. Step 6: Final answer
    x = 8,309,707.76

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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.