Home / 18,504,498.40-27,747,755.15-9,278,507.34

Finding the Fourth Proportional to 18,504,498.40, 27,747,755.15 and 9,278,507.34

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Solution

The fourth proportional to 18,504,498.40, 27,747,755.15 and 9,278,507.34 is: 13,913,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,498.40 : 27,747,755.15 = 9,278,507.34 : x
  2. Step 2: Convert to fraction form
    18,504,498.40/27,747,755.15 = 9,278,507.34/x
  3. Step 3: Cross multiply
    18,504,498.40x = 27,747,755.15 × 9,278,507.34
  4. Step 4: Simplify right side
    18,504,498.40x = 257,457,749,781,405.25
  5. Step 5: Solve for x
    x = 257,457,749,781,405.25/18,504,498.40
  6. Step 6: Final answer
    x = 13,913,252.02

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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.