Home / 12,223,320.40-18,321,588.60-6,148,363.60

Finding the Fourth Proportional to 12,223,320.40, 18,321,588.60 and 6,148,363.60

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Solution

The fourth proportional to 12,223,320.40, 18,321,588.60 and 6,148,363.60 is: 9,215,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,320.40 : 18,321,588.60 = 6,148,363.60 : x
  2. Step 2: Convert to fraction form
    12,223,320.40/18,321,588.60 = 6,148,363.60/x
  3. Step 3: Cross multiply
    12,223,320.40x = 18,321,588.60 × 6,148,363.60
  4. Step 4: Simplify right side
    12,223,320.40x = 112,647,788,442,414.97
  5. Step 5: Solve for x
    x = 112,647,788,442,414.97/12,223,320.40
  6. Step 6: Final answer
    x = 9,215,809.19

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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.