Home / 15,125,508.06-20,874,965.79-8,600,115.25

Finding the Fourth Proportional to 15,125,508.06, 20,874,965.79 and 8,600,115.25

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Solution

The fourth proportional to 15,125,508.06, 20,874,965.79 and 8,600,115.25 is: 11,869,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,508.06 : 20,874,965.79 = 8,600,115.25 : x
  2. Step 2: Convert to fraction form
    15,125,508.06/20,874,965.79 = 8,600,115.25/x
  3. Step 3: Cross multiply
    15,125,508.06x = 20,874,965.79 × 8,600,115.25
  4. Step 4: Simplify right side
    15,125,508.06x = 179,527,111,633,807.28
  5. Step 5: Solve for x
    x = 179,527,111,633,807.28/15,125,508.06
  6. Step 6: Final answer
    x = 11,869,162.41

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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.