Home / 21,186,549.84-31,780,120.03-6,040,481.34

Finding the Fourth Proportional to 21,186,549.84, 31,780,120.03 and 6,040,481.34

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Solution

The fourth proportional to 21,186,549.84, 31,780,120.03 and 6,040,481.34 is: 9,060,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,549.84 : 31,780,120.03 = 6,040,481.34 : x
  2. Step 2: Convert to fraction form
    21,186,549.84/31,780,120.03 = 6,040,481.34/x
  3. Step 3: Cross multiply
    21,186,549.84x = 31,780,120.03 × 6,040,481.34
  4. Step 4: Simplify right side
    21,186,549.84x = 191,967,222,128,249.50
  5. Step 5: Solve for x
    x = 191,967,222,128,249.50/21,186,549.84
  6. Step 6: Final answer
    x = 9,060,806.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.