Home / 9,479,539-13,081,772.46-5,187,187

Finding the Fourth Proportional to 9,479,539, 13,081,772.46 and 5,187,187

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Solution

The fourth proportional to 9,479,539, 13,081,772.46 and 5,187,187 is: 7,158,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,539 : 13,081,772.46 = 5,187,187 : x
  2. Step 2: Convert to fraction form
    9,479,539/13,081,772.46 = 5,187,187/x
  3. Step 3: Cross multiply
    9,479,539x = 13,081,772.46 × 5,187,187
  4. Step 4: Simplify right side
    9,479,539x = 67,857,600,041,470.02
  5. Step 5: Solve for x
    x = 67,857,600,041,470.02/9,479,539
  6. Step 6: Final answer
    x = 7,158,322.79

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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.