Home / 7,116,757.68-10,671,044.40-2,191,512

Finding the Fourth Proportional to 7,116,757.68, 10,671,044.40 and 2,191,512

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Solution

The fourth proportional to 7,116,757.68, 10,671,044.40 and 2,191,512 is: 3,286,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,757.68 : 10,671,044.40 = 2,191,512 : x
  2. Step 2: Convert to fraction form
    7,116,757.68/10,671,044.40 = 2,191,512/x
  3. Step 3: Cross multiply
    7,116,757.68x = 10,671,044.40 × 2,191,512
  4. Step 4: Simplify right side
    7,116,757.68x = 23,385,721,855,132.80
  5. Step 5: Solve for x
    x = 23,385,721,855,132.80/7,116,757.68
  6. Step 6: Final answer
    x = 3,286,007.89

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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.