Home / 38,275,839.32-52,821,933.81-20,873,136.74

Finding the Fourth Proportional to 38,275,839.32, 52,821,933.81 and 20,873,136.74

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Solution

The fourth proportional to 38,275,839.32, 52,821,933.81 and 20,873,136.74 is: 28,805,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275,839.32 : 52,821,933.81 = 20,873,136.74 : x
  2. Step 2: Convert to fraction form
    38,275,839.32/52,821,933.81 = 20,873,136.74/x
  3. Step 3: Cross multiply
    38,275,839.32x = 52,821,933.81 × 20,873,136.74
  4. Step 4: Simplify right side
    38,275,839.32x = 1,102,559,447,287,359.12
  5. Step 5: Solve for x
    x = 1,102,559,447,287,359.12/38,275,839.32
  6. Step 6: Final answer
    x = 28,805,624.30

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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.