Home / 12,129,193.73-16,738,160.58-6,622,551.54

Finding the Fourth Proportional to 12,129,193.73, 16,738,160.58 and 6,622,551.54

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Solution

The fourth proportional to 12,129,193.73, 16,738,160.58 and 6,622,551.54 is: 9,139,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,193.73 : 16,738,160.58 = 6,622,551.54 : x
  2. Step 2: Convert to fraction form
    12,129,193.73/16,738,160.58 = 6,622,551.54/x
  3. Step 3: Cross multiply
    12,129,193.73x = 16,738,160.58 × 6,622,551.54
  4. Step 4: Simplify right side
    12,129,193.73x = 110,849,331,125,846.30
  5. Step 5: Solve for x
    x = 110,849,331,125,846.30/12,129,193.73
  6. Step 6: Final answer
    x = 9,139,051.91

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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.