Home / 20,332,756.44-28,058,437.64-11,040,125.60

Finding the Fourth Proportional to 20,332,756.44, 28,058,437.64 and 11,040,125.60

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Solution

The fourth proportional to 20,332,756.44, 28,058,437.64 and 11,040,125.60 is: 15,234,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,756.44 : 28,058,437.64 = 11,040,125.60 : x
  2. Step 2: Convert to fraction form
    20,332,756.44/28,058,437.64 = 11,040,125.60/x
  3. Step 3: Cross multiply
    20,332,756.44x = 28,058,437.64 × 11,040,125.60
  4. Step 4: Simplify right side
    20,332,756.44x = 309,768,675,700,313.06
  5. Step 5: Solve for x
    x = 309,768,675,700,313.06/20,332,756.44
  6. Step 6: Final answer
    x = 15,234,957.28

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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.