Home / 12,239,570.40-18,361,105.20-4,152,919.20

Finding the Fourth Proportional to 12,239,570.40, 18,361,105.20 and 4,152,919.20

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Solution

The fourth proportional to 12,239,570.40, 18,361,105.20 and 4,152,919.20 is: 6,229,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,570.40 : 18,361,105.20 = 4,152,919.20 : x
  2. Step 2: Convert to fraction form
    12,239,570.40/18,361,105.20 = 4,152,919.20/x
  3. Step 3: Cross multiply
    12,239,570.40x = 18,361,105.20 × 4,152,919.20
  4. Step 4: Simplify right side
    12,239,570.40x = 76,252,186,318,299.84
  5. Step 5: Solve for x
    x = 76,252,186,318,299.84/12,239,570.40
  6. Step 6: Final answer
    x = 6,229,972.44

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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.