Home / 39,548,764.76-54,577,731.94-21,907,937.52

Finding the Fourth Proportional to 39,548,764.76, 54,577,731.94 and 21,907,937.52

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Solution

The fourth proportional to 39,548,764.76, 54,577,731.94 and 21,907,937.52 is: 30,233,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548,764.76 : 54,577,731.94 = 21,907,937.52 : x
  2. Step 2: Convert to fraction form
    39,548,764.76/54,577,731.94 = 21,907,937.52/x
  3. Step 3: Cross multiply
    39,548,764.76x = 54,577,731.94 × 21,907,937.52
  4. Step 4: Simplify right side
    39,548,764.76x = 1,195,685,541,270,058.50
  5. Step 5: Solve for x
    x = 1,195,685,541,270,058.50/39,548,764.76
  6. Step 6: Final answer
    x = 30,233,195.62

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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.