Home / 30,752,170.80-42,438,881.40-17,002,020.66

Finding the Fourth Proportional to 30,752,170.80, 42,438,881.40 and 17,002,020.66

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Solution

The fourth proportional to 30,752,170.80, 42,438,881.40 and 17,002,020.66 is: 23,463,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,170.80 : 42,438,881.40 = 17,002,020.66 : x
  2. Step 2: Convert to fraction form
    30,752,170.80/42,438,881.40 = 17,002,020.66/x
  3. Step 3: Cross multiply
    30,752,170.80x = 42,438,881.40 × 17,002,020.66
  4. Step 4: Simplify right side
    30,752,170.80x = 721,546,738,350,089.75
  5. Step 5: Solve for x
    x = 721,546,738,350,089.75/30,752,170.80
  6. Step 6: Final answer
    x = 23,463,278.19

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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.