Home / 7,261,216.40-10,890,658.20-2,211,352.40

Finding the Fourth Proportional to 7,261,216.40, 10,890,658.20 and 2,211,352.40

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Solution

The fourth proportional to 7,261,216.40, 10,890,658.20 and 2,211,352.40 is: 3,316,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,216.40 : 10,890,658.20 = 2,211,352.40 : x
  2. Step 2: Convert to fraction form
    7,261,216.40/10,890,658.20 = 2,211,352.40/x
  3. Step 3: Cross multiply
    7,261,216.40x = 10,890,658.20 × 2,211,352.40
  4. Step 4: Simplify right side
    7,261,216.40x = 24,083,083,148,149.68
  5. Step 5: Solve for x
    x = 24,083,083,148,149.68/7,261,216.40
  6. Step 6: Final answer
    x = 3,316,673.38

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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.