Home / 20,216,191.61-30,313,182.29-9,958,481.21

Finding the Fourth Proportional to 20,216,191.61, 30,313,182.29 and 9,958,481.21

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Solution

The fourth proportional to 20,216,191.61, 30,313,182.29 and 9,958,481.21 is: 14,932,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,191.61 : 30,313,182.29 = 9,958,481.21 : x
  2. Step 2: Convert to fraction form
    20,216,191.61/30,313,182.29 = 9,958,481.21/x
  3. Step 3: Cross multiply
    20,216,191.61x = 30,313,182.29 × 9,958,481.21
  4. Step 4: Simplify right side
    20,216,191.61x = 301,873,256,276,260.31
  5. Step 5: Solve for x
    x = 301,873,256,276,260.31/20,216,191.61
  6. Step 6: Final answer
    x = 14,932,251.44

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1.5x scale

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.