Home / 8,259,564-12,389,590.41-3,942,069.21

Finding the Fourth Proportional to 8,259,564, 12,389,590.41 and 3,942,069.21

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Solution

The fourth proportional to 8,259,564, 12,389,590.41 and 3,942,069.21 is: 5,913,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259,564 : 12,389,590.41 = 3,942,069.21 : x
  2. Step 2: Convert to fraction form
    8,259,564/12,389,590.41 = 3,942,069.21/x
  3. Step 3: Cross multiply
    8,259,564x = 12,389,590.41 × 3,942,069.21
  4. Step 4: Simplify right side
    8,259,564x = 48,840,622,879,772.27
  5. Step 5: Solve for x
    x = 48,840,622,879,772.27/8,259,564
  6. Step 6: Final answer
    x = 5,913,220.47

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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.