Home / 12,659,496.52-18,989,245.01-3,074,810.46

Finding the Fourth Proportional to 12,659,496.52, 18,989,245.01 and 3,074,810.46

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Solution

The fourth proportional to 12,659,496.52, 18,989,245.01 and 3,074,810.46 is: 4,612,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,496.52 : 18,989,245.01 = 3,074,810.46 : x
  2. Step 2: Convert to fraction form
    12,659,496.52/18,989,245.01 = 3,074,810.46/x
  3. Step 3: Cross multiply
    12,659,496.52x = 18,989,245.01 × 3,074,810.46
  4. Step 4: Simplify right side
    12,659,496.52x = 58,388,329,184,250.81
  5. Step 5: Solve for x
    x = 58,388,329,184,250.81/12,659,496.52
  6. Step 6: Final answer
    x = 4,612,215.75

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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.