Home / 19,986,764.81-27,581,925.57-11,726,967.61

Finding the Fourth Proportional to 19,986,764.81, 27,581,925.57 and 11,726,967.61

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Solution

The fourth proportional to 19,986,764.81, 27,581,925.57 and 11,726,967.61 is: 16,183,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,764.81 : 27,581,925.57 = 11,726,967.61 : x
  2. Step 2: Convert to fraction form
    19,986,764.81/27,581,925.57 = 11,726,967.61/x
  3. Step 3: Cross multiply
    19,986,764.81x = 27,581,925.57 × 11,726,967.61
  4. Step 4: Simplify right side
    19,986,764.81x = 323,452,347,722,185.94
  5. Step 5: Solve for x
    x = 323,452,347,722,185.94/19,986,764.81
  6. Step 6: Final answer
    x = 16,183,326.86

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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.