Home / 10,880,555.40-16,320,833.10-6,550,878.60

Finding the Fourth Proportional to 10,880,555.40, 16,320,833.10 and 6,550,878.60

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Solution

The fourth proportional to 10,880,555.40, 16,320,833.10 and 6,550,878.60 is: 9,826,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,555.40 : 16,320,833.10 = 6,550,878.60 : x
  2. Step 2: Convert to fraction form
    10,880,555.40/16,320,833.10 = 6,550,878.60/x
  3. Step 3: Cross multiply
    10,880,555.40x = 16,320,833.10 × 6,550,878.60
  4. Step 4: Simplify right side
    10,880,555.40x = 106,915,796,288,961.66
  5. Step 5: Solve for x
    x = 106,915,796,288,961.66/10,880,555.40
  6. Step 6: Final answer
    x = 9,826,317.90

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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.