Home / 11,121,697.20-16,693,043.40-6,870,169.20

Finding the Fourth Proportional to 11,121,697.20, 16,693,043.40 and 6,870,169.20

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Solution

The fourth proportional to 11,121,697.20, 16,693,043.40 and 6,870,169.20 is: 10,311,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,697.20 : 16,693,043.40 = 6,870,169.20 : x
  2. Step 2: Convert to fraction form
    11,121,697.20/16,693,043.40 = 6,870,169.20/x
  3. Step 3: Cross multiply
    11,121,697.20x = 16,693,043.40 × 6,870,169.20
  4. Step 4: Simplify right side
    11,121,697.20x = 114,684,032,620,943.28
  5. Step 5: Solve for x
    x = 114,684,032,620,943.28/11,121,697.20
  6. Step 6: Final answer
    x = 10,311,738.45

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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.