Home / 10,921,549.40-16,392,821.70-5,536,280.60

Finding the Fourth Proportional to 10,921,549.40, 16,392,821.70 and 5,536,280.60

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Solution

The fourth proportional to 10,921,549.40, 16,392,821.70 and 5,536,280.60 is: 8,309,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,549.40 : 16,392,821.70 = 5,536,280.60 : x
  2. Step 2: Convert to fraction form
    10,921,549.40/16,392,821.70 = 5,536,280.60/x
  3. Step 3: Cross multiply
    10,921,549.40x = 16,392,821.70 × 5,536,280.60
  4. Step 4: Simplify right side
    10,921,549.40x = 90,755,260,756,969.02
  5. Step 5: Solve for x
    x = 90,755,260,756,969.02/10,921,549.40
  6. Step 6: Final answer
    x = 8,309,742.27

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1.5x scale

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.