Home / 12,284,712.76-16,952,791.02-6,778,138.36

Finding the Fourth Proportional to 12,284,712.76, 16,952,791.02 and 6,778,138.36

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Solution

The fourth proportional to 12,284,712.76, 16,952,791.02 and 6,778,138.36 is: 9,353,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,712.76 : 16,952,791.02 = 6,778,138.36 : x
  2. Step 2: Convert to fraction form
    12,284,712.76/16,952,791.02 = 6,778,138.36/x
  3. Step 3: Cross multiply
    12,284,712.76x = 16,952,791.02 × 6,778,138.36
  4. Step 4: Simplify right side
    12,284,712.76x = 114,908,363,121,725.53
  5. Step 5: Solve for x
    x = 114,908,363,121,725.53/12,284,712.76
  6. Step 6: Final answer
    x = 9,353,768.82

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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.