Home / 12,659,605.22-18,989,408.04-3,074,919.17

Finding the Fourth Proportional to 12,659,605.22, 18,989,408.04 and 3,074,919.17

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Solution

The fourth proportional to 12,659,605.22, 18,989,408.04 and 3,074,919.17 is: 4,612,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,605.22 : 18,989,408.04 = 3,074,919.17 : x
  2. Step 2: Convert to fraction form
    12,659,605.22/18,989,408.04 = 3,074,919.17/x
  3. Step 3: Cross multiply
    12,659,605.22x = 18,989,408.04 × 3,074,919.17
  4. Step 4: Simplify right side
    12,659,605.22x = 58,390,894,702,670.14
  5. Step 5: Solve for x
    x = 58,390,894,702,670.14/12,659,605.22
  6. Step 6: Final answer
    x = 4,612,378.80

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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.