Home / 20,332,761.84-28,058,445.09-11,040,131.07

Finding the Fourth Proportional to 20,332,761.84, 28,058,445.09 and 11,040,131.07

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Solution

The fourth proportional to 20,332,761.84, 28,058,445.09 and 11,040,131.07 is: 15,234,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,761.84 : 28,058,445.09 = 11,040,131.07 : x
  2. Step 2: Convert to fraction form
    20,332,761.84/28,058,445.09 = 11,040,131.07/x
  3. Step 3: Cross multiply
    20,332,761.84x = 28,058,445.09 × 11,040,131.07
  4. Step 4: Simplify right side
    20,332,761.84x = 309,768,911,413,997.94
  5. Step 5: Solve for x
    x = 309,768,911,413,997.94/20,332,761.84
  6. Step 6: Final answer
    x = 15,234,964.82

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1.5x scale

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.