Home / 10,212,040.80-15,302,314.80-8,857,850.40

Finding the Fourth Proportional to 10,212,040.80, 15,302,314.80 and 8,857,850.40

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Solution

The fourth proportional to 10,212,040.80, 15,302,314.80 and 8,857,850.40 is: 13,273,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,040.80 : 15,302,314.80 = 8,857,850.40 : x
  2. Step 2: Convert to fraction form
    10,212,040.80/15,302,314.80 = 8,857,850.40/x
  3. Step 3: Cross multiply
    10,212,040.80x = 15,302,314.80 × 8,857,850.40
  4. Step 4: Simplify right side
    10,212,040.80x = 135,545,615,272,105.94
  5. Step 5: Solve for x
    x = 135,545,615,272,105.94/10,212,040.80
  6. Step 6: Final answer
    x = 13,273,117.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.