Home / 7,168,729.60-10,753,094.40-5,377,139.20

Finding the Fourth Proportional to 7,168,729.60, 10,753,094.40 and 5,377,139.20

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Solution

The fourth proportional to 7,168,729.60, 10,753,094.40 and 5,377,139.20 is: 8,065,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,729.60 : 10,753,094.40 = 5,377,139.20 : x
  2. Step 2: Convert to fraction form
    7,168,729.60/10,753,094.40 = 5,377,139.20/x
  3. Step 3: Cross multiply
    7,168,729.60x = 10,753,094.40 × 5,377,139.20
  4. Step 4: Simplify right side
    7,168,729.60x = 57,820,885,419,540.48
  5. Step 5: Solve for x
    x = 57,820,885,419,540.48/7,168,729.60
  6. Step 6: Final answer
    x = 8,065,708.80

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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.