Home / 20,526,763.98-28,327,009.38-11,107,555

Finding the Fourth Proportional to 20,526,763.98, 28,327,009.38 and 11,107,555

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Solution

The fourth proportional to 20,526,763.98, 28,327,009.38 and 11,107,555 is: 15,328,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,763.98 : 28,327,009.38 = 11,107,555 : x
  2. Step 2: Convert to fraction form
    20,526,763.98/28,327,009.38 = 11,107,555/x
  3. Step 3: Cross multiply
    20,526,763.98x = 28,327,009.38 × 11,107,555
  4. Step 4: Simplify right side
    20,526,763.98x = 314,643,814,673,865.88
  5. Step 5: Solve for x
    x = 314,643,814,673,865.88/20,526,763.98
  6. Step 6: Final answer
    x = 15,328,466.53

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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.