Home / 10,877,786.85-15,011,629.85-5,983,137.32

Finding the Fourth Proportional to 10,877,786.85, 15,011,629.85 and 5,983,137.32

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Solution

The fourth proportional to 10,877,786.85, 15,011,629.85 and 5,983,137.32 is: 8,256,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,786.85 : 15,011,629.85 = 5,983,137.32 : x
  2. Step 2: Convert to fraction form
    10,877,786.85/15,011,629.85 = 5,983,137.32/x
  3. Step 3: Cross multiply
    10,877,786.85x = 15,011,629.85 × 5,983,137.32
  4. Step 4: Simplify right side
    10,877,786.85x = 89,816,642,789,561
  5. Step 5: Solve for x
    x = 89,816,642,789,561/10,877,786.85
  6. Step 6: Final answer
    x = 8,256,885.71

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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.