Home / 13,874,348.40-20,810,485.80-5,785,234.80

Finding the Fourth Proportional to 13,874,348.40, 20,810,485.80 and 5,785,234.80

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Solution

The fourth proportional to 13,874,348.40, 20,810,485.80 and 5,785,234.80 is: 8,677,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,348.40 : 20,810,485.80 = 5,785,234.80 : x
  2. Step 2: Convert to fraction form
    13,874,348.40/20,810,485.80 = 5,785,234.80/x
  3. Step 3: Cross multiply
    13,874,348.40x = 20,810,485.80 × 5,785,234.80
  4. Step 4: Simplify right side
    13,874,348.40x = 120,393,546,655,065.84
  5. Step 5: Solve for x
    x = 120,393,546,655,065.84/13,874,348.40
  6. Step 6: Final answer
    x = 8,677,419.88

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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.