Home / 21,399,375.36-32,101,498.60-7,758,945.60

Finding the Fourth Proportional to 21,399,375.36, 32,101,498.60 and 7,758,945.60

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Solution

The fourth proportional to 21,399,375.36, 32,101,498.60 and 7,758,945.60 is: 11,639,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,375.36 : 32,101,498.60 = 7,758,945.60 : x
  2. Step 2: Convert to fraction form
    21,399,375.36/32,101,498.60 = 7,758,945.60/x
  3. Step 3: Cross multiply
    21,399,375.36x = 32,101,498.60 × 7,758,945.60
  4. Step 4: Simplify right side
    21,399,375.36x = 249,073,781,315,876.16
  5. Step 5: Solve for x
    x = 249,073,781,315,876.16/21,399,375.36
  6. Step 6: Final answer
    x = 11,639,301.48

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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.