Home / 9,991,418.58-13,788,491.49-6,123,192.30

Finding the Fourth Proportional to 9,991,418.58, 13,788,491.49 and 6,123,192.30

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Solution

The fourth proportional to 9,991,418.58, 13,788,491.49 and 6,123,192.30 is: 8,450,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,418.58 : 13,788,491.49 = 6,123,192.30 : x
  2. Step 2: Convert to fraction form
    9,991,418.58/13,788,491.49 = 6,123,192.30/x
  3. Step 3: Cross multiply
    9,991,418.58x = 13,788,491.49 × 6,123,192.30
  4. Step 4: Simplify right side
    9,991,418.58x = 84,429,584,920,183.53
  5. Step 5: Solve for x
    x = 84,429,584,920,183.53/9,991,418.58
  6. Step 6: Final answer
    x = 8,450,209.97

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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.