Home / 12,999,928.92-17,945,695.71-8,592,309.27

Finding the Fourth Proportional to 12,999,928.92, 17,945,695.71 and 8,592,309.27

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Solution

The fourth proportional to 12,999,928.92, 17,945,695.71 and 8,592,309.27 is: 11,861,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,928.92 : 17,945,695.71 = 8,592,309.27 : x
  2. Step 2: Convert to fraction form
    12,999,928.92/17,945,695.71 = 8,592,309.27/x
  3. Step 3: Cross multiply
    12,999,928.92x = 17,945,695.71 × 8,592,309.27
  4. Step 4: Simplify right side
    12,999,928.92x = 154,194,967,605,632.22
  5. Step 5: Solve for x
    x = 154,194,967,605,632.22/12,999,928.92
  6. Step 6: Final answer
    x = 11,861,216.21

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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.