Home / 12,716,996.40-19,069,589.70-5,524,828.20

Finding the Fourth Proportional to 12,716,996.40, 19,069,589.70 and 5,524,828.20

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Solution

The fourth proportional to 12,716,996.40, 19,069,589.70 and 5,524,828.20 is: 8,284,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,996.40 : 19,069,589.70 = 5,524,828.20 : x
  2. Step 2: Convert to fraction form
    12,716,996.40/19,069,589.70 = 5,524,828.20/x
  3. Step 3: Cross multiply
    12,716,996.40x = 19,069,589.70 × 5,524,828.20
  4. Step 4: Simplify right side
    12,716,996.40x = 105,356,206,936,989.55
  5. Step 5: Solve for x
    x = 105,356,206,936,989.55/12,716,996.40
  6. Step 6: Final answer
    x = 8,284,676.95

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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.