Home / 16,820,386.31-25,231,381.40-8,174,185.70

Finding the Fourth Proportional to 16,820,386.31, 25,231,381.40 and 8,174,185.70

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Solution

The fourth proportional to 16,820,386.31, 25,231,381.40 and 8,174,185.70 is: 12,261,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820,386.31 : 25,231,381.40 = 8,174,185.70 : x
  2. Step 2: Convert to fraction form
    16,820,386.31/25,231,381.40 = 8,174,185.70/x
  3. Step 3: Cross multiply
    16,820,386.31x = 25,231,381.40 × 8,174,185.70
  4. Step 4: Simplify right side
    16,820,386.31x = 206,245,996,925,404.53
  5. Step 5: Solve for x
    x = 206,245,996,925,404.53/16,820,386.31
  6. Step 6: Final answer
    x = 12,261,668.26

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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.