Home / 20,226,942.56-27,920,771.16-13,258,069.04

Finding the Fourth Proportional to 20,226,942.56, 27,920,771.16 and 13,258,069.04

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Solution

The fourth proportional to 20,226,942.56, 27,920,771.16 and 13,258,069.04 is: 18,301,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,942.56 : 27,920,771.16 = 13,258,069.04 : x
  2. Step 2: Convert to fraction form
    20,226,942.56/27,920,771.16 = 13,258,069.04/x
  3. Step 3: Cross multiply
    20,226,942.56x = 27,920,771.16 × 13,258,069.04
  4. Step 4: Simplify right side
    20,226,942.56x = 370,175,511,689,320.88
  5. Step 5: Solve for x
    x = 370,175,511,689,320.88/20,226,942.56
  6. Step 6: Final answer
    x = 18,301,110.54

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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.