Home / 10,647,658.56-14,676,554.34-8,320,506.51

Finding the Fourth Proportional to 10,647,658.56, 14,676,554.34 and 8,320,506.51

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Solution

The fourth proportional to 10,647,658.56, 14,676,554.34 and 8,320,506.51 is: 11,468,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,658.56 : 14,676,554.34 = 8,320,506.51 : x
  2. Step 2: Convert to fraction form
    10,647,658.56/14,676,554.34 = 8,320,506.51/x
  3. Step 3: Cross multiply
    10,647,658.56x = 14,676,554.34 × 8,320,506.51
  4. Step 4: Simplify right side
    10,647,658.56x = 122,116,365,930,338.75
  5. Step 5: Solve for x
    x = 122,116,365,930,338.75/10,647,658.56
  6. Step 6: Final answer
    x = 11,468,846.91

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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.