Home / 13,874,315.40-20,810,436.30-5,785,201.80

Finding the Fourth Proportional to 13,874,315.40, 20,810,436.30 and 5,785,201.80

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Solution

The fourth proportional to 13,874,315.40, 20,810,436.30 and 5,785,201.80 is: 8,677,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,315.40 : 20,810,436.30 = 5,785,201.80 : x
  2. Step 2: Convert to fraction form
    13,874,315.40/20,810,436.30 = 5,785,201.80/x
  3. Step 3: Cross multiply
    13,874,315.40x = 20,810,436.30 × 5,785,201.80
  4. Step 4: Simplify right side
    13,874,315.40x = 120,392,573,541,545.34
  5. Step 5: Solve for x
    x = 120,392,573,541,545.34/13,874,315.40
  6. Step 6: Final answer
    x = 8,677,370.38

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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.