Home / 18,968,626.36-28,453,014.26-4,591,671.07

Finding the Fourth Proportional to 18,968,626.36, 28,453,014.26 and 4,591,671.07

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Solution

The fourth proportional to 18,968,626.36, 28,453,014.26 and 4,591,671.07 is: 6,887,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,626.36 : 28,453,014.26 = 4,591,671.07 : x
  2. Step 2: Convert to fraction form
    18,968,626.36/28,453,014.26 = 4,591,671.07/x
  3. Step 3: Cross multiply
    18,968,626.36x = 28,453,014.26 × 4,591,671.07
  4. Step 4: Simplify right side
    18,968,626.36x = 130,646,882,408,981.11
  5. Step 5: Solve for x
    x = 130,646,882,408,981.11/18,968,626.36
  6. Step 6: Final answer
    x = 6,887,524.69

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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.