Home / 28,608,163.60-42,912,245.40-9,441,878.80

Finding the Fourth Proportional to 28,608,163.60, 42,912,245.40 and 9,441,878.80

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Solution

The fourth proportional to 28,608,163.60, 42,912,245.40 and 9,441,878.80 is: 14,162,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,163.60 : 42,912,245.40 = 9,441,878.80 : x
  2. Step 2: Convert to fraction form
    28,608,163.60/42,912,245.40 = 9,441,878.80/x
  3. Step 3: Cross multiply
    28,608,163.60x = 42,912,245.40 × 9,441,878.80
  4. Step 4: Simplify right side
    28,608,163.60x = 405,172,220,102,657.56
  5. Step 5: Solve for x
    x = 405,172,220,102,657.56/28,608,163.60
  6. Step 6: Final answer
    x = 14,162,818.20

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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.