Home / 38,639,399.44-53,321,243.88-22,118,976.40

Finding the Fourth Proportional to 38,639,399.44, 53,321,243.88 and 22,118,976.40

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Solution

The fourth proportional to 38,639,399.44, 53,321,243.88 and 22,118,976.40 is: 30,523,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,399.44 : 53,321,243.88 = 22,118,976.40 : x
  2. Step 2: Convert to fraction form
    38,639,399.44/53,321,243.88 = 22,118,976.40/x
  3. Step 3: Cross multiply
    38,639,399.44x = 53,321,243.88 × 22,118,976.40
  4. Step 4: Simplify right side
    38,639,399.44x = 1,179,411,335,000,364.50
  5. Step 5: Solve for x
    x = 1,179,411,335,000,364.50/38,639,399.44
  6. Step 6: Final answer
    x = 30,523,542.09

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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.