Home / 9,027,628.72-12,458,126.28-5,160,232.92

Finding the Fourth Proportional to 9,027,628.72, 12,458,126.28 and 5,160,232.92

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Solution

The fourth proportional to 9,027,628.72, 12,458,126.28 and 5,160,232.92 is: 7,121,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027,628.72 : 12,458,126.28 = 5,160,232.92 : x
  2. Step 2: Convert to fraction form
    9,027,628.72/12,458,126.28 = 5,160,232.92/x
  3. Step 3: Cross multiply
    9,027,628.72x = 12,458,126.28 × 5,160,232.92
  4. Step 4: Simplify right side
    9,027,628.72x = 64,286,833,351,573.13
  5. Step 5: Solve for x
    x = 64,286,833,351,573.13/9,027,628.72
  6. Step 6: Final answer
    x = 7,121,120.66

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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.