Home / 13,001,169.20-17,941,903.85-7,419,304.56

Finding the Fourth Proportional to 13,001,169.20, 17,941,903.85 and 7,419,304.56

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Solution

The fourth proportional to 13,001,169.20, 17,941,903.85 and 7,419,304.56 is: 10,238,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,169.20 : 17,941,903.85 = 7,419,304.56 : x
  2. Step 2: Convert to fraction form
    13,001,169.20/17,941,903.85 = 7,419,304.56/x
  3. Step 3: Cross multiply
    13,001,169.20x = 17,941,903.85 × 7,419,304.56
  4. Step 4: Simplify right side
    13,001,169.20x = 133,116,448,959,677.05
  5. Step 5: Solve for x
    x = 133,116,448,959,677.05/13,001,169.20
  6. Step 6: Final answer
    x = 10,238,805.98

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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.