Home / 16,488,375.78-22,754,323.24-9,145,969.58

Finding the Fourth Proportional to 16,488,375.78, 22,754,323.24 and 9,145,969.58

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Solution

The fourth proportional to 16,488,375.78, 22,754,323.24 and 9,145,969.58 is: 12,621,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488,375.78 : 22,754,323.24 = 9,145,969.58 : x
  2. Step 2: Convert to fraction form
    16,488,375.78/22,754,323.24 = 9,145,969.58/x
  3. Step 3: Cross multiply
    16,488,375.78x = 22,754,323.24 × 9,145,969.58
  4. Step 4: Simplify right side
    16,488,375.78x = 208,110,348,166,527.03
  5. Step 5: Solve for x
    x = 208,110,348,166,527.03/16,488,375.78
  6. Step 6: Final answer
    x = 12,621,640.30

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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.