Home / 8,660,218.28-12,993,212.37-2,903,521.55

Finding the Fourth Proportional to 8,660,218.28, 12,993,212.37 and 2,903,521.55

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Solution

The fourth proportional to 8,660,218.28, 12,993,212.37 and 2,903,521.55 is: 4,356,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,218.28 : 12,993,212.37 = 2,903,521.55 : x
  2. Step 2: Convert to fraction form
    8,660,218.28/12,993,212.37 = 2,903,521.55/x
  3. Step 3: Cross multiply
    8,660,218.28x = 12,993,212.37 × 2,903,521.55
  4. Step 4: Simplify right side
    8,660,218.28x = 37,726,072,120,021.57
  5. Step 5: Solve for x
    x = 37,726,072,120,021.57/8,660,218.28
  6. Step 6: Final answer
    x = 4,356,249.57

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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.