Home / 28,672,064.80-43,008,097.20-28,008,512.80

Finding the Fourth Proportional to 28,672,064.80, 43,008,097.20 and 28,008,512.80

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Solution

The fourth proportional to 28,672,064.80, 43,008,097.20 and 28,008,512.80 is: 42,012,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,064.80 : 43,008,097.20 = 28,008,512.80 : x
  2. Step 2: Convert to fraction form
    28,672,064.80/43,008,097.20 = 28,008,512.80/x
  3. Step 3: Cross multiply
    28,672,064.80x = 43,008,097.20 × 28,008,512.80
  4. Step 4: Simplify right side
    28,672,064.80x = 1,204,592,840,929,844.25
  5. Step 5: Solve for x
    x = 1,204,592,840,929,844.25/28,672,064.80
  6. Step 6: Final answer
    x = 42,012,769.20

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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.