Home / 11,508,938-15,882,334.44-6,421,706

Finding the Fourth Proportional to 11,508,938, 15,882,334.44 and 6,421,706

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Solution

The fourth proportional to 11,508,938, 15,882,334.44 and 6,421,706 is: 8,861,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,938 : 15,882,334.44 = 6,421,706 : x
  2. Step 2: Convert to fraction form
    11,508,938/15,882,334.44 = 6,421,706/x
  3. Step 3: Cross multiply
    11,508,938x = 15,882,334.44 × 6,421,706
  4. Step 4: Simplify right side
    11,508,938x = 101,991,682,367,354.64
  5. Step 5: Solve for x
    x = 101,991,682,367,354.64/11,508,938
  6. Step 6: Final answer
    x = 8,861,954.28

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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.