Home / 20,751,799.92-28,429,833.36-19,975,781.64

Finding the Fourth Proportional to 20,751,799.92, 28,429,833.36 and 19,975,781.64

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Solution

The fourth proportional to 20,751,799.92, 28,429,833.36 and 19,975,781.64 is: 27,366,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751,799.92 : 28,429,833.36 = 19,975,781.64 : x
  2. Step 2: Convert to fraction form
    20,751,799.92/28,429,833.36 = 19,975,781.64/x
  3. Step 3: Cross multiply
    20,751,799.92x = 28,429,833.36 × 19,975,781.64
  4. Step 4: Simplify right side
    20,751,799.92x = 567,908,143,260,947.50
  5. Step 5: Solve for x
    x = 567,908,143,260,947.50/20,751,799.92
  6. Step 6: Final answer
    x = 27,366,693.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.