Home / 15,361,610.88-21,199,667.04-8,835,242.16

Finding the Fourth Proportional to 15,361,610.88, 21,199,667.04 and 8,835,242.16

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Solution

The fourth proportional to 15,361,610.88, 21,199,667.04 and 8,835,242.16 is: 12,193,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361,610.88 : 21,199,667.04 = 8,835,242.16 : x
  2. Step 2: Convert to fraction form
    15,361,610.88/21,199,667.04 = 8,835,242.16/x
  3. Step 3: Cross multiply
    15,361,610.88x = 21,199,667.04 × 8,835,242.16
  4. Step 4: Simplify right side
    15,361,610.88x = 187,304,192,009,770.41
  5. Step 5: Solve for x
    x = 187,304,192,009,770.41/15,361,610.88
  6. Step 6: Final answer
    x = 12,193,004.59

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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.