Home / 10,787,229.80-16,180,844.70-9,704,810.60

Finding the Fourth Proportional to 10,787,229.80, 16,180,844.70 and 9,704,810.60

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Solution

The fourth proportional to 10,787,229.80, 16,180,844.70 and 9,704,810.60 is: 14,557,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,229.80 : 16,180,844.70 = 9,704,810.60 : x
  2. Step 2: Convert to fraction form
    10,787,229.80/16,180,844.70 = 9,704,810.60/x
  3. Step 3: Cross multiply
    10,787,229.80x = 16,180,844.70 × 9,704,810.60
  4. Step 4: Simplify right side
    10,787,229.80x = 157,032,033,161,513.81
  5. Step 5: Solve for x
    x = 157,032,033,161,513.81/10,787,229.80
  6. Step 6: Final answer
    x = 14,557,215.90

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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.