Home / 17,168,152.32-25,734,291.84-12,612,427.20

Finding the Fourth Proportional to 17,168,152.32, 25,734,291.84 and 12,612,427.20

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Solution

The fourth proportional to 17,168,152.32, 25,734,291.84 and 12,612,427.20 is: 18,905,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168,152.32 : 25,734,291.84 = 12,612,427.20 : x
  2. Step 2: Convert to fraction form
    17,168,152.32/25,734,291.84 = 12,612,427.20/x
  3. Step 3: Cross multiply
    17,168,152.32x = 25,734,291.84 × 12,612,427.20
  4. Step 4: Simplify right side
    17,168,152.32x = 324,571,882,375,554
  5. Step 5: Solve for x
    x = 324,571,882,375,554/17,168,152.32
  6. Step 6: Final answer
    x = 18,905,463.81

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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.