Home / 13,612,593.33-18,784,222.47-7,811,250.30

Finding the Fourth Proportional to 13,612,593.33, 18,784,222.47 and 7,811,250.30

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Solution

The fourth proportional to 13,612,593.33, 18,784,222.47 and 7,811,250.30 is: 10,778,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,593.33 : 18,784,222.47 = 7,811,250.30 : x
  2. Step 2: Convert to fraction form
    13,612,593.33/18,784,222.47 = 7,811,250.30/x
  3. Step 3: Cross multiply
    13,612,593.33x = 18,784,222.47 × 7,811,250.30
  4. Step 4: Simplify right side
    13,612,593.33x = 146,728,263,404,054.22
  5. Step 5: Solve for x
    x = 146,728,263,404,054.22/13,612,593.33
  6. Step 6: Final answer
    x = 10,778,861.89

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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.