Home / 21,591,963.72-32,389,615.80-7,215,081.48

Finding the Fourth Proportional to 21,591,963.72, 32,389,615.80 and 7,215,081.48

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Solution

The fourth proportional to 21,591,963.72, 32,389,615.80 and 7,215,081.48 is: 10,823,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,963.72 : 32,389,615.80 = 7,215,081.48 : x
  2. Step 2: Convert to fraction form
    21,591,963.72/32,389,615.80 = 7,215,081.48/x
  3. Step 3: Cross multiply
    21,591,963.72x = 32,389,615.80 × 7,215,081.48
  4. Step 4: Simplify right side
    21,591,963.72x = 233,693,717,102,895.41
  5. Step 5: Solve for x
    x = 233,693,717,102,895.41/21,591,963.72
  6. Step 6: Final answer
    x = 10,823,180.33

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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.