Home / 20,332,743.86-28,058,420.29-11,040,113.03

Finding the Fourth Proportional to 20,332,743.86, 28,058,420.29 and 11,040,113.03

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Solution

The fourth proportional to 20,332,743.86, 28,058,420.29 and 11,040,113.03 is: 15,234,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,743.86 : 28,058,420.29 = 11,040,113.03 : x
  2. Step 2: Convert to fraction form
    20,332,743.86/28,058,420.29 = 11,040,113.03/x
  3. Step 3: Cross multiply
    20,332,743.86x = 28,058,420.29 × 11,040,113.03
  4. Step 4: Simplify right side
    20,332,743.86x = 309,768,131,400,509.25
  5. Step 5: Solve for x
    x = 309,768,131,400,509.25/20,332,743.86
  6. Step 6: Final answer
    x = 15,234,939.93

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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.