Home / 13,040,412.80-19,541,956.80-9,601,865.60

Finding the Fourth Proportional to 13,040,412.80, 19,541,956.80 and 9,601,865.60

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Solution

The fourth proportional to 13,040,412.80, 19,541,956.80 and 9,601,865.60 is: 14,389,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,412.80 : 19,541,956.80 = 9,601,865.60 : x
  2. Step 2: Convert to fraction form
    13,040,412.80/19,541,956.80 = 9,601,865.60/x
  3. Step 3: Cross multiply
    13,040,412.80x = 19,541,956.80 × 9,601,865.60
  4. Step 4: Simplify right side
    13,040,412.80x = 187,639,242,754,606.09
  5. Step 5: Solve for x
    x = 187,639,242,754,606.09/13,040,412.80
  6. Step 6: Final answer
    x = 14,389,056.97

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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.