Home / 8,320,820.40-12,481,230.60-5,484,135.60

Finding the Fourth Proportional to 8,320,820.40, 12,481,230.60 and 5,484,135.60

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Solution

The fourth proportional to 8,320,820.40, 12,481,230.60 and 5,484,135.60 is: 8,226,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,820.40 : 12,481,230.60 = 5,484,135.60 : x
  2. Step 2: Convert to fraction form
    8,320,820.40/12,481,230.60 = 5,484,135.60/x
  3. Step 3: Cross multiply
    8,320,820.40x = 12,481,230.60 × 5,484,135.60
  4. Step 4: Simplify right side
    8,320,820.40x = 68,448,761,065,269.35
  5. Step 5: Solve for x
    x = 68,448,761,065,269.35/8,320,820.40
  6. Step 6: Final answer
    x = 8,226,203.40

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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.