Home / 12,946,610.48-17,866,234.56-7,145,392.20

Finding the Fourth Proportional to 12,946,610.48, 17,866,234.56 and 7,145,392.20

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Solution

The fourth proportional to 12,946,610.48, 17,866,234.56 and 7,145,392.20 is: 9,860,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,610.48 : 17,866,234.56 = 7,145,392.20 : x
  2. Step 2: Convert to fraction form
    12,946,610.48/17,866,234.56 = 7,145,392.20/x
  3. Step 3: Cross multiply
    12,946,610.48x = 17,866,234.56 × 7,145,392.20
  4. Step 4: Simplify right side
    12,946,610.48x = 127,661,253,068,394.42
  5. Step 5: Solve for x
    x = 127,661,253,068,394.42/12,946,610.48
  6. Step 6: Final answer
    x = 9,860,592.72

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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.