Home / 13,121,427.06-19,666,183.50-9,284,355

Finding the Fourth Proportional to 13,121,427.06, 19,666,183.50 and 9,284,355

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Solution

The fourth proportional to 13,121,427.06, 19,666,183.50 and 9,284,355 is: 13,915,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,427.06 : 19,666,183.50 = 9,284,355 : x
  2. Step 2: Convert to fraction form
    13,121,427.06/19,666,183.50 = 9,284,355/x
  3. Step 3: Cross multiply
    13,121,427.06x = 19,666,183.50 × 9,284,355
  4. Step 4: Simplify right side
    13,121,427.06x = 182,587,829,109,142.50
  5. Step 5: Solve for x
    x = 182,587,829,109,142.50/13,121,427.06
  6. Step 6: Final answer
    x = 13,915,241.71

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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.