Home / 12,237,610.78-18,358,507.45-5,045,212.95

Finding the Fourth Proportional to 12,237,610.78, 18,358,507.45 and 5,045,212.95

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Solution

The fourth proportional to 12,237,610.78, 18,358,507.45 and 5,045,212.95 is: 7,568,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,610.78 : 18,358,507.45 = 5,045,212.95 : x
  2. Step 2: Convert to fraction form
    12,237,610.78/18,358,507.45 = 5,045,212.95/x
  3. Step 3: Cross multiply
    12,237,610.78x = 18,358,507.45 × 5,045,212.95
  4. Step 4: Simplify right side
    12,237,610.78x = 92,622,579,466,873.59
  5. Step 5: Solve for x
    x = 92,622,579,466,873.59/12,237,610.78
  6. Step 6: Final answer
    x = 7,568,681.59

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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.