Home / 28,363,069.97-42,556,979.83-9,932,243.36

Finding the Fourth Proportional to 28,363,069.97, 42,556,979.83 and 9,932,243.36

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Solution

The fourth proportional to 28,363,069.97, 42,556,979.83 and 9,932,243.36 is: 14,902,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363,069.97 : 42,556,979.83 = 9,932,243.36 : x
  2. Step 2: Convert to fraction form
    28,363,069.97/42,556,979.83 = 9,932,243.36/x
  3. Step 3: Cross multiply
    28,363,069.97x = 42,556,979.83 × 9,932,243.36
  4. Step 4: Simplify right side
    28,363,069.97x = 422,686,280,338,171.38
  5. Step 5: Solve for x
    x = 422,686,280,338,171.38/28,363,069.97
  6. Step 6: Final answer
    x = 14,902,698.50

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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.