Home / 8,102,816.40-12,154,224.60-3,307,357.20

Finding the Fourth Proportional to 8,102,816.40, 12,154,224.60 and 3,307,357.20

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Solution

The fourth proportional to 8,102,816.40, 12,154,224.60 and 3,307,357.20 is: 4,961,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,816.40 : 12,154,224.60 = 3,307,357.20 : x
  2. Step 2: Convert to fraction form
    8,102,816.40/12,154,224.60 = 3,307,357.20/x
  3. Step 3: Cross multiply
    8,102,816.40x = 12,154,224.60 × 3,307,357.20
  4. Step 4: Simplify right side
    8,102,816.40x = 40,198,362,241,227.12
  5. Step 5: Solve for x
    x = 40,198,362,241,227.12/8,102,816.40
  6. Step 6: Final answer
    x = 4,961,035.80

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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.