Home / 13,057,540.60-18,000,414.83-9,125,087.70

Finding the Fourth Proportional to 13,057,540.60, 18,000,414.83 and 9,125,087.70

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Solution

The fourth proportional to 13,057,540.60, 18,000,414.83 and 9,125,087.70 is: 12,579,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,540.60 : 18,000,414.83 = 9,125,087.70 : x
  2. Step 2: Convert to fraction form
    13,057,540.60/18,000,414.83 = 9,125,087.70/x
  3. Step 3: Cross multiply
    13,057,540.60x = 18,000,414.83 × 9,125,087.70
  4. Step 4: Simplify right side
    13,057,540.60x = 164,255,363,948,724.22
  5. Step 5: Solve for x
    x = 164,255,363,948,724.22/13,057,540.60
  6. Step 6: Final answer
    x = 12,579,349.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.