Home / 18,486,390.12-27,732,108.65-7,701,168.73

Finding the Fourth Proportional to 18,486,390.12, 27,732,108.65 and 7,701,168.73

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Solution

The fourth proportional to 18,486,390.12, 27,732,108.65 and 7,701,168.73 is: 11,552,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,390.12 : 27,732,108.65 = 7,701,168.73 : x
  2. Step 2: Convert to fraction form
    18,486,390.12/27,732,108.65 = 7,701,168.73/x
  3. Step 3: Cross multiply
    18,486,390.12x = 27,732,108.65 × 7,701,168.73
  4. Step 4: Simplify right side
    18,486,390.12x = 213,569,647,952,342.50
  5. Step 5: Solve for x
    x = 213,569,647,952,342.50/18,486,390.12
  6. Step 6: Final answer
    x = 11,552,804.34

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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.