Home / 51,876,928.74-71,593,868.31-28,671,557.58

Finding the Fourth Proportional to 51,876,928.74, 71,593,868.31 and 28,671,557.58

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Solution

The fourth proportional to 51,876,928.74, 71,593,868.31 and 28,671,557.58 is: 39,568,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876,928.74 : 71,593,868.31 = 28,671,557.58 : x
  2. Step 2: Convert to fraction form
    51,876,928.74/71,593,868.31 = 28,671,557.58/x
  3. Step 3: Cross multiply
    51,876,928.74x = 71,593,868.31 × 28,671,557.58
  4. Step 4: Simplify right side
    51,876,928.74x = 2,052,707,717,625,102.25
  5. Step 5: Solve for x
    x = 2,052,707,717,625,102.25/51,876,928.74
  6. Step 6: Final answer
    x = 39,568,798.07

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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.