Home / 20,190,626.55-27,862,920.90-11,023,269.30

Finding the Fourth Proportional to 20,190,626.55, 27,862,920.90 and 11,023,269.30

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Solution

The fourth proportional to 20,190,626.55, 27,862,920.90 and 11,023,269.30 is: 15,212,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,626.55 : 27,862,920.90 = 11,023,269.30 : x
  2. Step 2: Convert to fraction form
    20,190,626.55/27,862,920.90 = 11,023,269.30/x
  3. Step 3: Cross multiply
    20,190,626.55x = 27,862,920.90 × 11,023,269.30
  4. Step 4: Simplify right side
    20,190,626.55x = 307,140,480,565,298.38
  5. Step 5: Solve for x
    x = 307,140,480,565,298.38/20,190,626.55
  6. Step 6: Final answer
    x = 15,212,033.16

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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.