Home / 25,919,100-38,884,948.56-7,968,204

Finding the Fourth Proportional to 25,919,100, 38,884,948.56 and 7,968,204

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Solution

The fourth proportional to 25,919,100, 38,884,948.56 and 7,968,204 is: 11,954,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919,100 : 38,884,948.56 = 7,968,204 : x
  2. Step 2: Convert to fraction form
    25,919,100/38,884,948.56 = 7,968,204/x
  3. Step 3: Cross multiply
    25,919,100x = 38,884,948.56 × 7,968,204
  4. Step 4: Simplify right side
    25,919,100x = 309,843,202,655,586.25
  5. Step 5: Solve for x
    x = 309,843,202,655,586.25/25,919,100
  6. Step 6: Final answer
    x = 11,954,242.34

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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.