Home / 13,676,557.83-20,481,960.75-7,823,002.53

Finding the Fourth Proportional to 13,676,557.83, 20,481,960.75 and 7,823,002.53

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Solution

The fourth proportional to 13,676,557.83, 20,481,960.75 and 7,823,002.53 is: 11,715,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,557.83 : 20,481,960.75 = 7,823,002.53 : x
  2. Step 2: Convert to fraction form
    13,676,557.83/20,481,960.75 = 7,823,002.53/x
  3. Step 3: Cross multiply
    13,676,557.83x = 20,481,960.75 × 7,823,002.53
  4. Step 4: Simplify right side
    13,676,557.83x = 160,230,430,766,610.69
  5. Step 5: Solve for x
    x = 160,230,430,766,610.69/13,676,557.83
  6. Step 6: Final answer
    x = 11,715,698.70

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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.