Home / 20,588,954.52-28,416,163.38-11,424,549.72

Finding the Fourth Proportional to 20,588,954.52, 28,416,163.38 and 11,424,549.72

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Solution

The fourth proportional to 20,588,954.52, 28,416,163.38 and 11,424,549.72 is: 15,767,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,954.52 : 28,416,163.38 = 11,424,549.72 : x
  2. Step 2: Convert to fraction form
    20,588,954.52/28,416,163.38 = 11,424,549.72/x
  3. Step 3: Cross multiply
    20,588,954.52x = 28,416,163.38 × 11,424,549.72
  4. Step 4: Simplify right side
    20,588,954.52x = 324,641,871,386,453.25
  5. Step 5: Solve for x
    x = 324,641,871,386,453.25/20,588,954.52
  6. Step 6: Final answer
    x = 15,767,768.64

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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.