Home / 12,269,438.80-18,404,158.20-8,850,501.70

Finding the Fourth Proportional to 12,269,438.80, 18,404,158.20 and 8,850,501.70

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Solution

The fourth proportional to 12,269,438.80, 18,404,158.20 and 8,850,501.70 is: 13,275,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,438.80 : 18,404,158.20 = 8,850,501.70 : x
  2. Step 2: Convert to fraction form
    12,269,438.80/18,404,158.20 = 8,850,501.70/x
  3. Step 3: Cross multiply
    12,269,438.80x = 18,404,158.20 × 8,850,501.70
  4. Step 4: Simplify right side
    12,269,438.80x = 162,886,033,436,168.91
  5. Step 5: Solve for x
    x = 162,886,033,436,168.91/12,269,438.80
  6. Step 6: Final answer
    x = 13,275,752.55

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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.