Home / 12,101,891.70-18,127,954.35-8,319,645.30

Finding the Fourth Proportional to 12,101,891.70, 18,127,954.35 and 8,319,645.30

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Solution

The fourth proportional to 12,101,891.70, 18,127,954.35 and 8,319,645.30 is: 12,462,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,891.70 : 18,127,954.35 = 8,319,645.30 : x
  2. Step 2: Convert to fraction form
    12,101,891.70/18,127,954.35 = 8,319,645.30/x
  3. Step 3: Cross multiply
    12,101,891.70x = 18,127,954.35 × 8,319,645.30
  4. Step 4: Simplify right side
    12,101,891.70x = 150,818,150,206,592.06
  5. Step 5: Solve for x
    x = 150,818,150,206,592.06/12,101,891.70
  6. Step 6: Final answer
    x = 12,462,361.58

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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.