Home / 20,542,941.66-28,349,277.58-11,375,387.58

Finding the Fourth Proportional to 20,542,941.66, 28,349,277.58 and 11,375,387.58

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Solution

The fourth proportional to 20,542,941.66, 28,349,277.58 and 11,375,387.58 is: 15,698,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,941.66 : 28,349,277.58 = 11,375,387.58 : x
  2. Step 2: Convert to fraction form
    20,542,941.66/28,349,277.58 = 11,375,387.58/x
  3. Step 3: Cross multiply
    20,542,941.66x = 28,349,277.58 × 11,375,387.58
  4. Step 4: Simplify right side
    20,542,941.66x = 322,484,020,085,504.44
  5. Step 5: Solve for x
    x = 322,484,020,085,504.44/20,542,941.66
  6. Step 6: Final answer
    x = 15,698,044.88

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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.