Home / 38,275,857.28-52,821,958.56-20,873,154.72

Finding the Fourth Proportional to 38,275,857.28, 52,821,958.56 and 20,873,154.72

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Solution

The fourth proportional to 38,275,857.28, 52,821,958.56 and 20,873,154.72 is: 28,805,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275,857.28 : 52,821,958.56 = 20,873,154.72 : x
  2. Step 2: Convert to fraction form
    38,275,857.28/52,821,958.56 = 20,873,154.72/x
  3. Step 3: Cross multiply
    38,275,857.28x = 52,821,958.56 × 20,873,154.72
  4. Step 4: Simplify right side
    38,275,857.28x = 1,102,560,913,636,308.38
  5. Step 5: Solve for x
    x = 1,102,560,913,636,308.38/38,275,857.28
  6. Step 6: Final answer
    x = 28,805,649.10

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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.