Home / 12,100,617.20-18,154,133.40-5,274,261.20

Finding the Fourth Proportional to 12,100,617.20, 18,154,133.40 and 5,274,261.20

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Solution

The fourth proportional to 12,100,617.20, 18,154,133.40 and 5,274,261.20 is: 7,912,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,617.20 : 18,154,133.40 = 5,274,261.20 : x
  2. Step 2: Convert to fraction form
    12,100,617.20/18,154,133.40 = 5,274,261.20/x
  3. Step 3: Cross multiply
    12,100,617.20x = 18,154,133.40 × 5,274,261.20
  4. Step 4: Simplify right side
    12,100,617.20x = 95,749,641,411,244.08
  5. Step 5: Solve for x
    x = 95,749,641,411,244.08/12,100,617.20
  6. Step 6: Final answer
    x = 7,912,789.89

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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.