Home / 20,238,465.58-27,929,119.26-11,071,108.34

Finding the Fourth Proportional to 20,238,465.58, 27,929,119.26 and 11,071,108.34

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Solution

The fourth proportional to 20,238,465.58, 27,929,119.26 and 11,071,108.34 is: 15,278,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,465.58 : 27,929,119.26 = 11,071,108.34 : x
  2. Step 2: Convert to fraction form
    20,238,465.58/27,929,119.26 = 11,071,108.34/x
  3. Step 3: Cross multiply
    20,238,465.58x = 27,929,119.26 × 11,071,108.34
  4. Step 4: Simplify right side
    20,238,465.58x = 309,206,305,168,240.62
  5. Step 5: Solve for x
    x = 309,206,305,168,240.62/20,238,465.58
  6. Step 6: Final answer
    x = 15,278,149.62

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1.5x scale

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.