Home / 7,404,482.21-11,108,113.68-3,361,253.81

Finding the Fourth Proportional to 7,404,482.21, 11,108,113.68 and 3,361,253.81

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Solution

The fourth proportional to 7,404,482.21, 11,108,113.68 and 3,361,253.81 is: 5,042,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404,482.21 : 11,108,113.68 = 3,361,253.81 : x
  2. Step 2: Convert to fraction form
    7,404,482.21/11,108,113.68 = 3,361,253.81/x
  3. Step 3: Cross multiply
    7,404,482.21x = 11,108,113.68 × 3,361,253.81
  4. Step 4: Simplify right side
    7,404,482.21x = 37,337,189,428,813.12
  5. Step 5: Solve for x
    x = 37,337,189,428,813.12/7,404,482.21
  6. Step 6: Final answer
    x = 5,042,511.87

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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.