Home / 12,496,685.23-17,247,021.06-6,990,365.98

Finding the Fourth Proportional to 12,496,685.23, 17,247,021.06 and 6,990,365.98

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Solution

The fourth proportional to 12,496,685.23, 17,247,021.06 and 6,990,365.98 is: 9,647,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496,685.23 : 17,247,021.06 = 6,990,365.98 : x
  2. Step 2: Convert to fraction form
    12,496,685.23/17,247,021.06 = 6,990,365.98/x
  3. Step 3: Cross multiply
    12,496,685.23x = 17,247,021.06 × 6,990,365.98
  4. Step 4: Simplify right side
    12,496,685.23x = 120,562,989,274,167.53
  5. Step 5: Solve for x
    x = 120,562,989,274,167.53/12,496,685.23
  6. Step 6: Final answer
    x = 9,647,597.51

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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.