Home / 18,968,364.10-28,452,619.97-4,591,408.83

Finding the Fourth Proportional to 18,968,364.10, 28,452,619.97 and 4,591,408.83

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Solution

The fourth proportional to 18,968,364.10, 28,452,619.97 and 4,591,408.83 is: 6,887,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,364.10 : 28,452,619.97 = 4,591,408.83 : x
  2. Step 2: Convert to fraction form
    18,968,364.10/28,452,619.97 = 4,591,408.83/x
  3. Step 3: Cross multiply
    18,968,364.10x = 28,452,619.97 × 4,591,408.83
  4. Step 4: Simplify right side
    18,968,364.10x = 130,637,610,566,892.33
  5. Step 5: Solve for x
    x = 130,637,610,566,892.33/18,968,364.10
  6. Step 6: Final answer
    x = 6,887,131.11

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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.