Home / 28,960,017.96-39,965,514.76-15,907,550.25

Finding the Fourth Proportional to 28,960,017.96, 39,965,514.76 and 15,907,550.25

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Solution

The fourth proportional to 28,960,017.96, 39,965,514.76 and 15,907,550.25 is: 21,952,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,017.96 : 39,965,514.76 = 15,907,550.25 : x
  2. Step 2: Convert to fraction form
    28,960,017.96/39,965,514.76 = 15,907,550.25/x
  3. Step 3: Cross multiply
    28,960,017.96x = 39,965,514.76 × 15,907,550.25
  4. Step 4: Simplify right side
    28,960,017.96x = 635,753,434,311,816.62
  5. Step 5: Solve for x
    x = 635,753,434,311,816.62/28,960,017.96
  6. Step 6: Final answer
    x = 21,952,798.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.