Home / 10,921,519.40-16,392,776.70-5,536,250.60

Finding the Fourth Proportional to 10,921,519.40, 16,392,776.70 and 5,536,250.60

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Solution

The fourth proportional to 10,921,519.40, 16,392,776.70 and 5,536,250.60 is: 8,309,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,519.40 : 16,392,776.70 = 5,536,250.60 : x
  2. Step 2: Convert to fraction form
    10,921,519.40/16,392,776.70 = 5,536,250.60/x
  3. Step 3: Cross multiply
    10,921,519.40x = 16,392,776.70 × 5,536,250.60
  4. Step 4: Simplify right side
    10,921,519.40x = 90,754,519,841,041.02
  5. Step 5: Solve for x
    x = 90,754,519,841,041.02/10,921,519.40
  6. Step 6: Final answer
    x = 8,309,697.26

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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.