Home / 13,395,958.67-20,068,583.77-7,914,661.53

Finding the Fourth Proportional to 13,395,958.67, 20,068,583.77 and 7,914,661.53

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Solution

The fourth proportional to 13,395,958.67, 20,068,583.77 and 7,914,661.53 is: 11,857,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,958.67 : 20,068,583.77 = 7,914,661.53 : x
  2. Step 2: Convert to fraction form
    13,395,958.67/20,068,583.77 = 7,914,661.53/x
  3. Step 3: Cross multiply
    13,395,958.67x = 20,068,583.77 × 7,914,661.53
  4. Step 4: Simplify right side
    13,395,958.67x = 158,836,047,926,001.38
  5. Step 5: Solve for x
    x = 158,836,047,926,001.38/13,395,958.67
  6. Step 6: Final answer
    x = 11,857,012.39

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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.