Home / 18,219,076.80-27,328,615.20-4,755,904.80

Finding the Fourth Proportional to 18,219,076.80, 27,328,615.20 and 4,755,904.80

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Solution

The fourth proportional to 18,219,076.80, 27,328,615.20 and 4,755,904.80 is: 7,133,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,076.80 : 27,328,615.20 = 4,755,904.80 : x
  2. Step 2: Convert to fraction form
    18,219,076.80/27,328,615.20 = 4,755,904.80/x
  3. Step 3: Cross multiply
    18,219,076.80x = 27,328,615.20 × 4,755,904.80
  4. Step 4: Simplify right side
    18,219,076.80x = 129,972,292,207,032.95
  5. Step 5: Solve for x
    x = 129,972,292,207,032.95/18,219,076.80
  6. Step 6: Final answer
    x = 7,133,857.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.