Home / 12,190,829.90-16,824,101.09-6,758,321.90

Finding the Fourth Proportional to 12,190,829.90, 16,824,101.09 and 6,758,321.90

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Solution

The fourth proportional to 12,190,829.90, 16,824,101.09 and 6,758,321.90 is: 9,326,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,829.90 : 16,824,101.09 = 6,758,321.90 : x
  2. Step 2: Convert to fraction form
    12,190,829.90/16,824,101.09 = 6,758,321.90/x
  3. Step 3: Cross multiply
    12,190,829.90x = 16,824,101.09 × 6,758,321.90
  4. Step 4: Simplify right side
    12,190,829.90x = 113,702,690,726,448.75
  5. Step 5: Solve for x
    x = 113,702,690,726,448.75/12,190,829.90
  6. Step 6: Final answer
    x = 9,326,903.23

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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.