Home / 12,251,274.20-18,376,911.30-10,338,086.60

Finding the Fourth Proportional to 12,251,274.20, 18,376,911.30 and 10,338,086.60

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Solution

The fourth proportional to 12,251,274.20, 18,376,911.30 and 10,338,086.60 is: 15,507,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,274.20 : 18,376,911.30 = 10,338,086.60 : x
  2. Step 2: Convert to fraction form
    12,251,274.20/18,376,911.30 = 10,338,086.60/x
  3. Step 3: Cross multiply
    12,251,274.20x = 18,376,911.30 × 10,338,086.60
  4. Step 4: Simplify right side
    12,251,274.20x = 189,982,100,459,918.59
  5. Step 5: Solve for x
    x = 189,982,100,459,918.59/12,251,274.20
  6. Step 6: Final answer
    x = 15,507,129.90

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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.