Home / 21,186,763.19-31,780,440.05-6,040,694.69

Finding the Fourth Proportional to 21,186,763.19, 31,780,440.05 and 6,040,694.69

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Solution

The fourth proportional to 21,186,763.19, 31,780,440.05 and 6,040,694.69 is: 9,061,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,763.19 : 31,780,440.05 = 6,040,694.69 : x
  2. Step 2: Convert to fraction form
    21,186,763.19/31,780,440.05 = 6,040,694.69/x
  3. Step 3: Cross multiply
    21,186,763.19x = 31,780,440.05 × 6,040,694.69
  4. Step 4: Simplify right side
    21,186,763.19x = 191,975,935,266,792.66
  5. Step 5: Solve for x
    x = 191,975,935,266,792.66/21,186,763.19
  6. Step 6: Final answer
    x = 9,061,126.21

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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.