Home / 11,305,528.20-15,605,687.10-6,721,838.64

Finding the Fourth Proportional to 11,305,528.20, 15,605,687.10 and 6,721,838.64

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Solution

The fourth proportional to 11,305,528.20, 15,605,687.10 and 6,721,838.64 is: 9,278,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305,528.20 : 15,605,687.10 = 6,721,838.64 : x
  2. Step 2: Convert to fraction form
    11,305,528.20/15,605,687.10 = 6,721,838.64/x
  3. Step 3: Cross multiply
    11,305,528.20x = 15,605,687.10 × 6,721,838.64
  4. Step 4: Simplify right side
    11,305,528.20x = 104,898,910,552,529.53
  5. Step 5: Solve for x
    x = 104,898,910,552,529.53/11,305,528.20
  6. Step 6: Final answer
    x = 9,278,550.17

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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.