Home / 27,763,820.18-38,313,805.55-15,998,766.20

Finding the Fourth Proportional to 27,763,820.18, 38,313,805.55 and 15,998,766.20

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Solution

The fourth proportional to 27,763,820.18, 38,313,805.55 and 15,998,766.20 is: 22,078,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763,820.18 : 38,313,805.55 = 15,998,766.20 : x
  2. Step 2: Convert to fraction form
    27,763,820.18/38,313,805.55 = 15,998,766.20/x
  3. Step 3: Cross multiply
    27,763,820.18x = 38,313,805.55 × 15,998,766.20
  4. Step 4: Simplify right side
    27,763,820.18x = 612,973,616,955,149.62
  5. Step 5: Solve for x
    x = 612,973,616,955,149.62/27,763,820.18
  6. Step 6: Final answer
    x = 22,078,143.90

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1.5x scale

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.