Home / 12,511,025.10-18,766,537.65-7,703,124.30

Finding the Fourth Proportional to 12,511,025.10, 18,766,537.65 and 7,703,124.30

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Solution

The fourth proportional to 12,511,025.10, 18,766,537.65 and 7,703,124.30 is: 11,554,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,025.10 : 18,766,537.65 = 7,703,124.30 : x
  2. Step 2: Convert to fraction form
    12,511,025.10/18,766,537.65 = 7,703,124.30/x
  3. Step 3: Cross multiply
    12,511,025.10x = 18,766,537.65 × 7,703,124.30
  4. Step 4: Simplify right side
    12,511,025.10x = 144,560,972,198,579.88
  5. Step 5: Solve for x
    x = 144,560,972,198,579.88/12,511,025.10
  6. Step 6: Final answer
    x = 11,554,686.45

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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.