Home / 16,815,261.39-23,180,774.72-11,977,967.31

Finding the Fourth Proportional to 16,815,261.39, 23,180,774.72 and 11,977,967.31

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Solution

The fourth proportional to 16,815,261.39, 23,180,774.72 and 11,977,967.31 is: 16,512,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815,261.39 : 23,180,774.72 = 11,977,967.31 : x
  2. Step 2: Convert to fraction form
    16,815,261.39/23,180,774.72 = 11,977,967.31/x
  3. Step 3: Cross multiply
    16,815,261.39x = 23,180,774.72 × 11,977,967.31
  4. Step 4: Simplify right side
    16,815,261.39x = 277,658,561,756,744.56
  5. Step 5: Solve for x
    x = 277,658,561,756,744.56/16,815,261.39
  6. Step 6: Final answer
    x = 16,512,295.31

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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.