Home / 11,111,272.93-15,335,955-6,761,760.61

Finding the Fourth Proportional to 11,111,272.93, 15,335,955 and 6,761,760.61

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Solution

The fourth proportional to 11,111,272.93, 15,335,955 and 6,761,760.61 is: 9,332,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111,272.93 : 15,335,955 = 6,761,760.61 : x
  2. Step 2: Convert to fraction form
    11,111,272.93/15,335,955 = 6,761,760.61/x
  3. Step 3: Cross multiply
    11,111,272.93x = 15,335,955 × 6,761,760.61
  4. Step 4: Simplify right side
    11,111,272.93x = 103,698,056,435,732.56
  5. Step 5: Solve for x
    x = 103,698,056,435,732.56/11,111,272.93
  6. Step 6: Final answer
    x = 9,332,689.16

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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.