Home / 9,491,866.72-13,098,710.16-5,140,853.92

Finding the Fourth Proportional to 9,491,866.72, 13,098,710.16 and 5,140,853.92

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Solution

The fourth proportional to 9,491,866.72, 13,098,710.16 and 5,140,853.92 is: 7,094,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,866.72 : 13,098,710.16 = 5,140,853.92 : x
  2. Step 2: Convert to fraction form
    9,491,866.72/13,098,710.16 = 5,140,853.92/x
  3. Step 3: Cross multiply
    9,491,866.72x = 13,098,710.16 × 5,140,853.92
  4. Step 4: Simplify right side
    9,491,866.72x = 67,338,555,472,979.83
  5. Step 5: Solve for x
    x = 67,338,555,472,979.83/9,491,866.72
  6. Step 6: Final answer
    x = 7,094,342.71

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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.