Home / 9,967,135-13,754,690.04-5,781,644.68

Finding the Fourth Proportional to 9,967,135, 13,754,690.04 and 5,781,644.68

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Solution

The fourth proportional to 9,967,135, 13,754,690.04 and 5,781,644.68 is: 7,978,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967,135 : 13,754,690.04 = 5,781,644.68 : x
  2. Step 2: Convert to fraction form
    9,967,135/13,754,690.04 = 5,781,644.68/x
  3. Step 3: Cross multiply
    9,967,135x = 13,754,690.04 × 5,781,644.68
  4. Step 4: Simplify right side
    9,967,135x = 79,524,730,494,814.98
  5. Step 5: Solve for x
    x = 79,524,730,494,814.98/9,967,135
  6. Step 6: Final answer
    x = 7,978,695.03

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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.