Home / 8,278,386.40-12,410,192.40-3,228,522.40

Finding the Fourth Proportional to 8,278,386.40, 12,410,192.40 and 3,228,522.40

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Solution

The fourth proportional to 8,278,386.40, 12,410,192.40 and 3,228,522.40 is: 4,839,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,386.40 : 12,410,192.40 = 3,228,522.40 : x
  2. Step 2: Convert to fraction form
    8,278,386.40/12,410,192.40 = 3,228,522.40/x
  3. Step 3: Cross multiply
    8,278,386.40x = 12,410,192.40 × 3,228,522.40
  4. Step 4: Simplify right side
    8,278,386.40x = 40,066,584,151,709.76
  5. Step 5: Solve for x
    x = 40,066,584,151,709.76/8,278,386.40
  6. Step 6: Final answer
    x = 4,839,902.64

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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.