Home / 13,284,047.40-19,926,071.10-10,071,781.80

Finding the Fourth Proportional to 13,284,047.40, 19,926,071.10 and 10,071,781.80

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Solution

The fourth proportional to 13,284,047.40, 19,926,071.10 and 10,071,781.80 is: 15,107,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,047.40 : 19,926,071.10 = 10,071,781.80 : x
  2. Step 2: Convert to fraction form
    13,284,047.40/19,926,071.10 = 10,071,781.80/x
  3. Step 3: Cross multiply
    13,284,047.40x = 19,926,071.10 × 10,071,781.80
  4. Step 4: Simplify right side
    13,284,047.40x = 200,691,040,250,486
  5. Step 5: Solve for x
    x = 200,691,040,250,486/13,284,047.40
  6. Step 6: Final answer
    x = 15,107,672.70

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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.