Home / 12,098,361.20-18,150,749.40-5,272,005.20

Finding the Fourth Proportional to 12,098,361.20, 18,150,749.40 and 5,272,005.20

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Solution

The fourth proportional to 12,098,361.20, 18,150,749.40 and 5,272,005.20 is: 7,909,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,361.20 : 18,150,749.40 = 5,272,005.20 : x
  2. Step 2: Convert to fraction form
    12,098,361.20/18,150,749.40 = 5,272,005.20/x
  3. Step 3: Cross multiply
    12,098,361.20x = 18,150,749.40 × 5,272,005.20
  4. Step 4: Simplify right side
    12,098,361.20x = 95,690,845,220,696.88
  5. Step 5: Solve for x
    x = 95,690,845,220,696.88/12,098,361.20
  6. Step 6: Final answer
    x = 7,909,405.55

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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.