Home / 12,462,849.20-18,696,023.40-3,942,297.20

Finding the Fourth Proportional to 12,462,849.20, 18,696,023.40 and 3,942,297.20

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Solution

The fourth proportional to 12,462,849.20, 18,696,023.40 and 3,942,297.20 is: 5,913,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,849.20 : 18,696,023.40 = 3,942,297.20 : x
  2. Step 2: Convert to fraction form
    12,462,849.20/18,696,023.40 = 3,942,297.20/x
  3. Step 3: Cross multiply
    12,462,849.20x = 18,696,023.40 × 3,942,297.20
  4. Step 4: Simplify right side
    12,462,849.20x = 73,705,280,700,954.48
  5. Step 5: Solve for x
    x = 73,705,280,700,954.48/12,462,849.20
  6. Step 6: Final answer
    x = 5,913,999.24

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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.