Home / 12,946,625.96-17,866,255.86-7,145,407.58

Finding the Fourth Proportional to 12,946,625.96, 17,866,255.86 and 7,145,407.58

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Solution

The fourth proportional to 12,946,625.96, 17,866,255.86 and 7,145,407.58 is: 9,860,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,625.96 : 17,866,255.86 = 7,145,407.58 : x
  2. Step 2: Convert to fraction form
    12,946,625.96/17,866,255.86 = 7,145,407.58/x
  3. Step 3: Cross multiply
    12,946,625.96x = 17,866,255.86 × 7,145,407.58
  4. Step 4: Simplify right side
    12,946,625.96x = 127,661,679,958,932.14
  5. Step 5: Solve for x
    x = 127,661,679,958,932.14/12,946,625.96
  6. Step 6: Final answer
    x = 9,860,613.91

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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.