Home / 12,190,813.66-16,824,078.67-6,758,305.66

Finding the Fourth Proportional to 12,190,813.66, 16,824,078.67 and 6,758,305.66

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Solution

The fourth proportional to 12,190,813.66, 16,824,078.67 and 6,758,305.66 is: 9,326,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,813.66 : 16,824,078.67 = 6,758,305.66 : x
  2. Step 2: Convert to fraction form
    12,190,813.66/16,824,078.67 = 6,758,305.66/x
  3. Step 3: Cross multiply
    12,190,813.66x = 16,824,078.67 × 6,758,305.66
  4. Step 4: Simplify right side
    12,190,813.66x = 113,702,266,099,746.28
  5. Step 5: Solve for x
    x = 113,702,266,099,746.28/12,190,813.66
  6. Step 6: Final answer
    x = 9,326,880.82

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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.