Home / 28,645,463.52-42,967,772.64-7,080,067.44

Finding the Fourth Proportional to 28,645,463.52, 42,967,772.64 and 7,080,067.44

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Solution

The fourth proportional to 28,645,463.52, 42,967,772.64 and 7,080,067.44 is: 10,619,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,463.52 : 42,967,772.64 = 7,080,067.44 : x
  2. Step 2: Convert to fraction form
    28,645,463.52/42,967,772.64 = 7,080,067.44/x
  3. Step 3: Cross multiply
    28,645,463.52x = 42,967,772.64 × 7,080,067.44
  4. Step 4: Simplify right side
    28,645,463.52x = 304,214,728,037,786.88
  5. Step 5: Solve for x
    x = 304,214,728,037,786.88/28,645,463.52
  6. Step 6: Final answer
    x = 10,619,996.70

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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.