Home / 7,851,869.58-11,777,786.46-2,460,930.78

Finding the Fourth Proportional to 7,851,869.58, 11,777,786.46 and 2,460,930.78

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Solution

The fourth proportional to 7,851,869.58, 11,777,786.46 and 2,460,930.78 is: 3,691,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,869.58 : 11,777,786.46 = 2,460,930.78 : x
  2. Step 2: Convert to fraction form
    7,851,869.58/11,777,786.46 = 2,460,930.78/x
  3. Step 3: Cross multiply
    7,851,869.58x = 11,777,786.46 × 2,460,930.78
  4. Step 4: Simplify right side
    7,851,869.58x = 28,984,317,219,681.24
  5. Step 5: Solve for x
    x = 28,984,317,219,681.24/7,851,869.58
  6. Step 6: Final answer
    x = 3,691,390.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.