Home / 12,123,606.36-18,188,403.06-3,603,906.36

Finding the Fourth Proportional to 12,123,606.36, 18,188,403.06 and 3,603,906.36

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Solution

The fourth proportional to 12,123,606.36, 18,188,403.06 and 3,603,906.36 is: 5,406,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,606.36 : 18,188,403.06 = 3,603,906.36 : x
  2. Step 2: Convert to fraction form
    12,123,606.36/18,188,403.06 = 3,603,906.36/x
  3. Step 3: Cross multiply
    12,123,606.36x = 18,188,403.06 × 3,603,906.36
  4. Step 4: Simplify right side
    12,123,606.36x = 65,549,301,466,177.45
  5. Step 5: Solve for x
    x = 65,549,301,466,177.45/12,123,606.36
  6. Step 6: Final answer
    x = 5,406,749.40

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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.