Home / 8,318,039.40-12,456,063.90-5,462,692.20

Finding the Fourth Proportional to 8,318,039.40, 12,456,063.90 and 5,462,692.20

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Solution

The fourth proportional to 8,318,039.40, 12,456,063.90 and 5,462,692.20 is: 8,180,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,039.40 : 12,456,063.90 = 5,462,692.20 : x
  2. Step 2: Convert to fraction form
    8,318,039.40/12,456,063.90 = 5,462,692.20/x
  3. Step 3: Cross multiply
    8,318,039.40x = 12,456,063.90 × 5,462,692.20
  4. Step 4: Simplify right side
    8,318,039.40x = 68,043,643,109,231.59
  5. Step 5: Solve for x
    x = 68,043,643,109,231.59/8,318,039.40
  6. Step 6: Final answer
    x = 8,180,250.16

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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.