Home / 21,207,131.84-31,810,062.02-5,855,359.59

Finding the Fourth Proportional to 21,207,131.84, 31,810,062.02 and 5,855,359.59

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Solution

The fourth proportional to 21,207,131.84, 31,810,062.02 and 5,855,359.59 is: 8,782,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207,131.84 : 31,810,062.02 = 5,855,359.59 : x
  2. Step 2: Convert to fraction form
    21,207,131.84/31,810,062.02 = 5,855,359.59/x
  3. Step 3: Cross multiply
    21,207,131.84x = 31,810,062.02 × 5,855,359.59
  4. Step 4: Simplify right side
    21,207,131.84x = 186,259,351,678,024.97
  5. Step 5: Solve for x
    x = 186,259,351,678,024.97/21,207,131.84
  6. Step 6: Final answer
    x = 8,782,863.85

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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.