Home / 15,273,696-21,077,160.96-8,398,129.92

Finding the Fourth Proportional to 15,273,696, 21,077,160.96 and 8,398,129.92

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Solution

The fourth proportional to 15,273,696, 21,077,160.96 and 8,398,129.92 is: 11,589,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273,696 : 21,077,160.96 = 8,398,129.92 : x
  2. Step 2: Convert to fraction form
    15,273,696/21,077,160.96 = 8,398,129.92/x
  3. Step 3: Cross multiply
    15,273,696x = 21,077,160.96 × 8,398,129.92
  4. Step 4: Simplify right side
    15,273,696x = 177,008,736,086,831.94
  5. Step 5: Solve for x
    x = 177,008,736,086,831.94/15,273,696
  6. Step 6: Final answer
    x = 11,589,122.64

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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.