Home / 28,084,580.20-42,129,203.10-8,914,796.20

Finding the Fourth Proportional to 28,084,580.20, 42,129,203.10 and 8,914,796.20

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Solution

The fourth proportional to 28,084,580.20, 42,129,203.10 and 8,914,796.20 is: 13,372,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,580.20 : 42,129,203.10 = 8,914,796.20 : x
  2. Step 2: Convert to fraction form
    28,084,580.20/42,129,203.10 = 8,914,796.20/x
  3. Step 3: Cross multiply
    28,084,580.20x = 42,129,203.10 × 8,914,796.20
  4. Step 4: Simplify right side
    28,084,580.20x = 375,573,259,704,908.19
  5. Step 5: Solve for x
    x = 375,573,259,704,908.19/28,084,580.20
  6. Step 6: Final answer
    x = 13,372,934.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.