Home / 12,253,021.20-18,385,436.70-8,651,032.20

Finding the Fourth Proportional to 12,253,021.20, 18,385,436.70 and 8,651,032.20

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Solution

The fourth proportional to 12,253,021.20, 18,385,436.70 and 8,651,032.20 is: 12,980,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,021.20 : 18,385,436.70 = 8,651,032.20 : x
  2. Step 2: Convert to fraction form
    12,253,021.20/18,385,436.70 = 8,651,032.20/x
  3. Step 3: Cross multiply
    12,253,021.20x = 18,385,436.70 × 8,651,032.20
  4. Step 4: Simplify right side
    12,253,021.20x = 159,053,004,902,761.72
  5. Step 5: Solve for x
    x = 159,053,004,902,761.72/12,253,021.20
  6. Step 6: Final answer
    x = 12,980,717.35

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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.