Home / 18,307,883.40-25,278,316.02-16,040,401.80

Finding the Fourth Proportional to 18,307,883.40, 25,278,316.02 and 16,040,401.80

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Solution

The fourth proportional to 18,307,883.40, 25,278,316.02 and 16,040,401.80 is: 22,147,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307,883.40 : 25,278,316.02 = 16,040,401.80 : x
  2. Step 2: Convert to fraction form
    18,307,883.40/25,278,316.02 = 16,040,401.80/x
  3. Step 3: Cross multiply
    18,307,883.40x = 25,278,316.02 × 16,040,401.80
  4. Step 4: Simplify right side
    18,307,883.40x = 405,474,345,788,176.88
  5. Step 5: Solve for x
    x = 405,474,345,788,176.88/18,307,883.40
  6. Step 6: Final answer
    x = 22,147,527.21

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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.