Home / 15,106,712.36-20,847,266.04-8,231,194.46

Finding the Fourth Proportional to 15,106,712.36, 20,847,266.04 and 8,231,194.46

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Solution

The fourth proportional to 15,106,712.36, 20,847,266.04 and 8,231,194.46 is: 11,359,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,712.36 : 20,847,266.04 = 8,231,194.46 : x
  2. Step 2: Convert to fraction form
    15,106,712.36/20,847,266.04 = 8,231,194.46/x
  3. Step 3: Cross multiply
    15,106,712.36x = 20,847,266.04 × 8,231,194.46
  4. Step 4: Simplify right side
    15,106,712.36x = 171,597,900,734,594.12
  5. Step 5: Solve for x
    x = 171,597,900,734,594.12/15,106,712.36
  6. Step 6: Final answer
    x = 11,359,049.98

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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.