Home / 13,568,635.15-18,724,899.08-7,373,804.83

Finding the Fourth Proportional to 13,568,635.15, 18,724,899.08 and 7,373,804.83

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Solution

The fourth proportional to 13,568,635.15, 18,724,899.08 and 7,373,804.83 is: 10,175,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568,635.15 : 18,724,899.08 = 7,373,804.83 : x
  2. Step 2: Convert to fraction form
    13,568,635.15/18,724,899.08 = 7,373,804.83/x
  3. Step 3: Cross multiply
    13,568,635.15x = 18,724,899.08 × 7,373,804.83
  4. Step 4: Simplify right side
    13,568,635.15x = 138,073,751,277,366.55
  5. Step 5: Solve for x
    x = 138,073,751,277,366.55/13,568,635.15
  6. Step 6: Final answer
    x = 10,175,949.88

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1.5x scale

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.