Home / 9,489,543.20-13,095,631.84-5,138,629.72

Finding the Fourth Proportional to 9,489,543.20, 13,095,631.84 and 5,138,629.72

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Solution

The fourth proportional to 9,489,543.20, 13,095,631.84 and 5,138,629.72 is: 7,091,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,543.20 : 13,095,631.84 = 5,138,629.72 : x
  2. Step 2: Convert to fraction form
    9,489,543.20/13,095,631.84 = 5,138,629.72/x
  3. Step 3: Cross multiply
    9,489,543.20x = 13,095,631.84 × 5,138,629.72
  4. Step 4: Simplify right side
    9,489,543.20x = 67,293,603,027,366.94
  5. Step 5: Solve for x
    x = 67,293,603,027,366.94/9,489,543.20
  6. Step 6: Final answer
    x = 7,091,342.71

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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.