Home / 9,991,428.30-13,788,506.82-6,123,203.64

Finding the Fourth Proportional to 9,991,428.30, 13,788,506.82 and 6,123,203.64

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Solution

The fourth proportional to 9,991,428.30, 13,788,506.82 and 6,123,203.64 is: 8,450,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,428.30 : 13,788,506.82 = 6,123,203.64 : x
  2. Step 2: Convert to fraction form
    9,991,428.30/13,788,506.82 = 6,123,203.64/x
  3. Step 3: Cross multiply
    9,991,428.30x = 13,788,506.82 × 6,123,203.64
  4. Step 4: Simplify right side
    9,991,428.30x = 84,429,835,150,388.83
  5. Step 5: Solve for x
    x = 84,429,835,150,388.83/9,991,428.30
  6. Step 6: Final answer
    x = 8,450,226.80

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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.