Home / 7,344,647.40-11,018,720.70-3,555,013.80

Finding the Fourth Proportional to 7,344,647.40, 11,018,720.70 and 3,555,013.80

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Solution

The fourth proportional to 7,344,647.40, 11,018,720.70 and 3,555,013.80 is: 5,333,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,647.40 : 11,018,720.70 = 3,555,013.80 : x
  2. Step 2: Convert to fraction form
    7,344,647.40/11,018,720.70 = 3,555,013.80/x
  3. Step 3: Cross multiply
    7,344,647.40x = 11,018,720.70 × 3,555,013.80
  4. Step 4: Simplify right side
    7,344,647.40x = 39,171,704,146,845.66
  5. Step 5: Solve for x
    x = 39,171,704,146,845.66/7,344,647.40
  6. Step 6: Final answer
    x = 5,333,367.56

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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.