Home / 13,572,183.96-18,729,746.96-7,377,226.84

Finding the Fourth Proportional to 13,572,183.96, 18,729,746.96 and 7,377,226.84

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Solution

The fourth proportional to 13,572,183.96, 18,729,746.96 and 7,377,226.84 is: 10,180,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,183.96 : 18,729,746.96 = 7,377,226.84 : x
  2. Step 2: Convert to fraction form
    13,572,183.96/18,729,746.96 = 7,377,226.84/x
  3. Step 3: Cross multiply
    13,572,183.96x = 18,729,746.96 × 7,377,226.84
  4. Step 4: Simplify right side
    13,572,183.96x = 138,173,591,979,720.41
  5. Step 5: Solve for x
    x = 138,173,591,979,720.41/13,572,183.96
  6. Step 6: Final answer
    x = 10,180,645.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.