Home / 12,012,238.22-18,020,675.57-3,923,039.15

Finding the Fourth Proportional to 12,012,238.22, 18,020,675.57 and 3,923,039.15

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Solution

The fourth proportional to 12,012,238.22, 18,020,675.57 and 3,923,039.15 is: 5,885,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,238.22 : 18,020,675.57 = 3,923,039.15 : x
  2. Step 2: Convert to fraction form
    12,012,238.22/18,020,675.57 = 3,923,039.15/x
  3. Step 3: Cross multiply
    12,012,238.22x = 18,020,675.57 × 3,923,039.15
  4. Step 4: Simplify right side
    12,012,238.22x = 70,695,815,750,943.38
  5. Step 5: Solve for x
    x = 70,695,815,750,943.38/12,012,238.22
  6. Step 6: Final answer
    x = 5,885,315.83

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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.