Home / 13,702,884.15-18,908,454.47-7,589,781.75

Finding the Fourth Proportional to 13,702,884.15, 18,908,454.47 and 7,589,781.75

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Solution

The fourth proportional to 13,702,884.15, 18,908,454.47 and 7,589,781.75 is: 10,473,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,884.15 : 18,908,454.47 = 7,589,781.75 : x
  2. Step 2: Convert to fraction form
    13,702,884.15/18,908,454.47 = 7,589,781.75/x
  3. Step 3: Cross multiply
    13,702,884.15x = 18,908,454.47 × 7,589,781.75
  4. Step 4: Simplify right side
    13,702,884.15x = 143,511,042,619,163
  5. Step 5: Solve for x
    x = 143,511,042,619,163/13,702,884.15
  6. Step 6: Final answer
    x = 10,473,053.78

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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.