Home / 38,039,836.23-52,494,974.24-21,742,662.15

Finding the Fourth Proportional to 38,039,836.23, 52,494,974.24 and 21,742,662.15

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Solution

The fourth proportional to 38,039,836.23, 52,494,974.24 and 21,742,662.15 is: 30,004,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039,836.23 : 52,494,974.24 = 21,742,662.15 : x
  2. Step 2: Convert to fraction form
    38,039,836.23/52,494,974.24 = 21,742,662.15/x
  3. Step 3: Cross multiply
    38,039,836.23x = 52,494,974.24 × 21,742,662.15
  4. Step 4: Simplify right side
    38,039,836.23x = 1,141,380,489,364,559.50
  5. Step 5: Solve for x
    x = 1,141,380,489,364,559.50/38,039,836.23
  6. Step 6: Final answer
    x = 30,004,873.90

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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.