Home / 20,553,103.41-28,359,677.37-11,728,525.59

Finding the Fourth Proportional to 20,553,103.41, 28,359,677.37 and 11,728,525.59

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Solution

The fourth proportional to 20,553,103.41, 28,359,677.37 and 11,728,525.59 is: 16,183,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,103.41 : 28,359,677.37 = 11,728,525.59 : x
  2. Step 2: Convert to fraction form
    20,553,103.41/28,359,677.37 = 11,728,525.59/x
  3. Step 3: Cross multiply
    20,553,103.41x = 28,359,677.37 × 11,728,525.59
  4. Step 4: Simplify right side
    20,553,103.41x = 332,617,201,758,188.94
  5. Step 5: Solve for x
    x = 332,617,201,758,188.94/20,553,103.41
  6. Step 6: Final answer
    x = 16,183,307.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.