Home / 10,996,988.80-16,499,630.40-5,322,236.80

Finding the Fourth Proportional to 10,996,988.80, 16,499,630.40 and 5,322,236.80

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Solution

The fourth proportional to 10,996,988.80, 16,499,630.40 and 5,322,236.80 is: 7,985,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996,988.80 : 16,499,630.40 = 5,322,236.80 : x
  2. Step 2: Convert to fraction form
    10,996,988.80/16,499,630.40 = 5,322,236.80/x
  3. Step 3: Cross multiply
    10,996,988.80x = 16,499,630.40 × 5,322,236.80
  4. Step 4: Simplify right side
    10,996,988.80x = 87,814,940,101,278.72
  5. Step 5: Solve for x
    x = 87,814,940,101,278.72/10,996,988.80
  6. Step 6: Final answer
    x = 7,985,362.33

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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.