Home / 8,091,135.84-12,138,476-3,042,446.32

Finding the Fourth Proportional to 8,091,135.84, 12,138,476 and 3,042,446.32

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Solution

The fourth proportional to 8,091,135.84, 12,138,476 and 3,042,446.32 is: 4,564,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,135.84 : 12,138,476 = 3,042,446.32 : x
  2. Step 2: Convert to fraction form
    8,091,135.84/12,138,476 = 3,042,446.32/x
  3. Step 3: Cross multiply
    8,091,135.84x = 12,138,476 × 3,042,446.32
  4. Step 4: Simplify right side
    8,091,135.84x = 36,930,661,636,608.32
  5. Step 5: Solve for x
    x = 36,930,661,636,608.32/8,091,135.84
  6. Step 6: Final answer
    x = 4,564,335.88

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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.