Home / 15,451,161.27-21,323,680.28-10,215,072.18

Finding the Fourth Proportional to 15,451,161.27, 21,323,680.28 and 10,215,072.18

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Solution

The fourth proportional to 15,451,161.27, 21,323,680.28 and 10,215,072.18 is: 14,097,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,161.27 : 21,323,680.28 = 10,215,072.18 : x
  2. Step 2: Convert to fraction form
    15,451,161.27/21,323,680.28 = 10,215,072.18/x
  3. Step 3: Cross multiply
    15,451,161.27x = 21,323,680.28 × 10,215,072.18
  4. Step 4: Simplify right side
    15,451,161.27x = 217,822,933,289,790.84
  5. Step 5: Solve for x
    x = 217,822,933,289,790.84/15,451,161.27
  6. Step 6: Final answer
    x = 14,097,512.12

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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.