Home / 12,496,685.73-17,247,021.75-6,990,366.48

Finding the Fourth Proportional to 12,496,685.73, 17,247,021.75 and 6,990,366.48

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Solution

The fourth proportional to 12,496,685.73, 17,247,021.75 and 6,990,366.48 is: 9,647,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496,685.73 : 17,247,021.75 = 6,990,366.48 : x
  2. Step 2: Convert to fraction form
    12,496,685.73/17,247,021.75 = 6,990,366.48/x
  3. Step 3: Cross multiply
    12,496,685.73x = 17,247,021.75 × 6,990,366.48
  4. Step 4: Simplify right side
    12,496,685.73x = 120,563,002,721,030.95
  5. Step 5: Solve for x
    x = 120,563,002,721,030.95/12,496,685.73
  6. Step 6: Final answer
    x = 9,647,598.20

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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.