Home / 20,188,200.94-27,859,830.75-11,486,373.55

Finding the Fourth Proportional to 20,188,200.94, 27,859,830.75 and 11,486,373.55

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Solution

The fourth proportional to 20,188,200.94, 27,859,830.75 and 11,486,373.55 is: 15,851,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,200.94 : 27,859,830.75 = 11,486,373.55 : x
  2. Step 2: Convert to fraction form
    20,188,200.94/27,859,830.75 = 11,486,373.55/x
  3. Step 3: Cross multiply
    20,188,200.94x = 27,859,830.75 × 11,486,373.55
  4. Step 4: Simplify right side
    20,188,200.94x = 320,008,422,894,977.50
  5. Step 5: Solve for x
    x = 320,008,422,894,977.50/20,188,200.94
  6. Step 6: Final answer
    x = 15,851,260.05

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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.