Home / 12,311,945.17-16,990,187.75-6,729,943.57

Finding the Fourth Proportional to 12,311,945.17, 16,990,187.75 and 6,729,943.57

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Solution

The fourth proportional to 12,311,945.17, 16,990,187.75 and 6,729,943.57 is: 9,287,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,945.17 : 16,990,187.75 = 6,729,943.57 : x
  2. Step 2: Convert to fraction form
    12,311,945.17/16,990,187.75 = 6,729,943.57/x
  3. Step 3: Cross multiply
    12,311,945.17x = 16,990,187.75 × 6,729,943.57
  4. Step 4: Simplify right side
    12,311,945.17x = 114,343,004,767,555.56
  5. Step 5: Solve for x
    x = 114,343,004,767,555.56/12,311,945.17
  6. Step 6: Final answer
    x = 9,287,160.01

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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.