Home / 9,028,081.80-12,458,751.75-5,160,685.77

Finding the Fourth Proportional to 9,028,081.80, 12,458,751.75 and 5,160,685.77

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Solution

The fourth proportional to 9,028,081.80, 12,458,751.75 and 5,160,685.77 is: 7,121,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028,081.80 : 12,458,751.75 = 5,160,685.77 : x
  2. Step 2: Convert to fraction form
    9,028,081.80/12,458,751.75 = 5,160,685.77/x
  3. Step 3: Cross multiply
    9,028,081.80x = 12,458,751.75 × 5,160,685.77
  4. Step 4: Simplify right side
    9,028,081.80x = 64,295,702,868,187.59
  5. Step 5: Solve for x
    x = 64,295,702,868,187.59/9,028,081.80
  6. Step 6: Final answer
    x = 7,121,745.71

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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.