Home / 7,241,745.19-9,990,155.19-5,277,411.85

Finding the Fourth Proportional to 7,241,745.19, 9,990,155.19 and 5,277,411.85

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Solution

The fourth proportional to 7,241,745.19, 9,990,155.19 and 5,277,411.85 is: 7,280,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,745.19 : 9,990,155.19 = 5,277,411.85 : x
  2. Step 2: Convert to fraction form
    7,241,745.19/9,990,155.19 = 5,277,411.85/x
  3. Step 3: Cross multiply
    7,241,745.19x = 9,990,155.19 × 5,277,411.85
  4. Step 4: Simplify right side
    7,241,745.19x = 52,722,163,383,044.99
  5. Step 5: Solve for x
    x = 52,722,163,383,044.99/7,241,745.19
  6. Step 6: Final answer
    x = 7,280,311.86

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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.