Home / 28,969,400.40-43,454,100.60-11,016,171.60

Finding the Fourth Proportional to 28,969,400.40, 43,454,100.60 and 11,016,171.60

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Solution

The fourth proportional to 28,969,400.40, 43,454,100.60 and 11,016,171.60 is: 16,524,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,400.40 : 43,454,100.60 = 11,016,171.60 : x
  2. Step 2: Convert to fraction form
    28,969,400.40/43,454,100.60 = 11,016,171.60/x
  3. Step 3: Cross multiply
    28,969,400.40x = 43,454,100.60 × 11,016,171.60
  4. Step 4: Simplify right side
    28,969,400.40x = 478,697,828,933,262.94
  5. Step 5: Solve for x
    x = 478,697,828,933,262.94/28,969,400.40
  6. Step 6: Final answer
    x = 16,524,257.40

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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.