Home / 10,857,756.12-14,989,520.48-8,371,546.60

Finding the Fourth Proportional to 10,857,756.12, 14,989,520.48 and 8,371,546.60

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Solution

The fourth proportional to 10,857,756.12, 14,989,520.48 and 8,371,546.60 is: 11,557,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,756.12 : 14,989,520.48 = 8,371,546.60 : x
  2. Step 2: Convert to fraction form
    10,857,756.12/14,989,520.48 = 8,371,546.60/x
  3. Step 3: Cross multiply
    10,857,756.12x = 14,989,520.48 × 8,371,546.60
  4. Step 4: Simplify right side
    10,857,756.12x = 125,485,469,209,974.36
  5. Step 5: Solve for x
    x = 125,485,469,209,974.36/10,857,756.12
  6. Step 6: Final answer
    x = 11,557,219.36

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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.