Home / 21,560,328.74-32,339,418.12-7,912,401.36

Finding the Fourth Proportional to 21,560,328.74, 32,339,418.12 and 7,912,401.36

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Solution

The fourth proportional to 21,560,328.74, 32,339,418.12 and 7,912,401.36 is: 11,868,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,328.74 : 32,339,418.12 = 7,912,401.36 : x
  2. Step 2: Convert to fraction form
    21,560,328.74/32,339,418.12 = 7,912,401.36/x
  3. Step 3: Cross multiply
    21,560,328.74x = 32,339,418.12 × 7,912,401.36
  4. Step 4: Simplify right side
    21,560,328.74x = 255,882,455,914,296.66
  5. Step 5: Solve for x
    x = 255,882,455,914,296.66/21,560,328.74
  6. Step 6: Final answer
    x = 11,868,207.53

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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.