Home / 12,220,277.70-18,340,914.15-5,407,335.30

Finding the Fourth Proportional to 12,220,277.70, 18,340,914.15 and 5,407,335.30

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Solution

The fourth proportional to 12,220,277.70, 18,340,914.15 and 5,407,335.30 is: 8,115,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,277.70 : 18,340,914.15 = 5,407,335.30 : x
  2. Step 2: Convert to fraction form
    12,220,277.70/18,340,914.15 = 5,407,335.30/x
  3. Step 3: Cross multiply
    12,220,277.70x = 18,340,914.15 × 5,407,335.30
  4. Step 4: Simplify right side
    12,220,277.70x = 99,175,472,517,564.48
  5. Step 5: Solve for x
    x = 99,175,472,517,564.48/12,220,277.70
  6. Step 6: Final answer
    x = 8,115,648.02

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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.