Home / 10,921,220.40-16,392,328.20-5,535,951.60

Finding the Fourth Proportional to 10,921,220.40, 16,392,328.20 and 5,535,951.60

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Solution

The fourth proportional to 10,921,220.40, 16,392,328.20 and 5,535,951.60 is: 8,309,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,220.40 : 16,392,328.20 = 5,535,951.60 : x
  2. Step 2: Convert to fraction form
    10,921,220.40/16,392,328.20 = 5,535,951.60/x
  3. Step 3: Cross multiply
    10,921,220.40x = 16,392,328.20 × 5,535,951.60
  4. Step 4: Simplify right side
    10,921,220.40x = 90,747,135,526,515.11
  5. Step 5: Solve for x
    x = 90,747,135,526,515.11/10,921,220.40
  6. Step 6: Final answer
    x = 8,309,248.62

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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.