Home / 9,375,131.20-12,939,704.67-5,705,230.19

Finding the Fourth Proportional to 9,375,131.20, 12,939,704.67 and 5,705,230.19

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Solution

The fourth proportional to 9,375,131.20, 12,939,704.67 and 5,705,230.19 is: 7,874,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375,131.20 : 12,939,704.67 = 5,705,230.19 : x
  2. Step 2: Convert to fraction form
    9,375,131.20/12,939,704.67 = 5,705,230.19/x
  3. Step 3: Cross multiply
    9,375,131.20x = 12,939,704.67 × 5,705,230.19
  4. Step 4: Simplify right side
    9,375,131.20x = 73,823,993,732,967.98
  5. Step 5: Solve for x
    x = 73,823,993,732,967.98/9,375,131.20
  6. Step 6: Final answer
    x = 7,874,449.13

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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.