Home / 8,525,156.40-12,787,439.76-2,135,463.84

Finding the Fourth Proportional to 8,525,156.40, 12,787,439.76 and 2,135,463.84

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Solution

The fourth proportional to 8,525,156.40, 12,787,439.76 and 2,135,463.84 is: 3,203,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,156.40 : 12,787,439.76 = 2,135,463.84 : x
  2. Step 2: Convert to fraction form
    8,525,156.40/12,787,439.76 = 2,135,463.84/x
  3. Step 3: Cross multiply
    8,525,156.40x = 12,787,439.76 × 2,135,463.84
  4. Step 4: Simplify right side
    8,525,156.40x = 27,307,115,213,658.28
  5. Step 5: Solve for x
    x = 27,307,115,213,658.28/8,525,156.40
  6. Step 6: Final answer
    x = 3,203,121.91

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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.