Home / 12,589,460.06-18,884,189.05-3,491,557.55

Finding the Fourth Proportional to 12,589,460.06, 18,884,189.05 and 3,491,557.55

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Solution

The fourth proportional to 12,589,460.06, 18,884,189.05 and 3,491,557.55 is: 5,237,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,460.06 : 18,884,189.05 = 3,491,557.55 : x
  2. Step 2: Convert to fraction form
    12,589,460.06/18,884,189.05 = 3,491,557.55/x
  3. Step 3: Cross multiply
    12,589,460.06x = 18,884,189.05 × 3,491,557.55
  4. Step 4: Simplify right side
    12,589,460.06x = 65,935,232,820,820.70
  5. Step 5: Solve for x
    x = 65,935,232,820,820.70/12,589,460.06
  6. Step 6: Final answer
    x = 5,237,336.04

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1.5x scale

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.