Home / 13,387,631.76-18,474,933.78-7,276,060.26

Finding the Fourth Proportional to 13,387,631.76, 18,474,933.78 and 7,276,060.26

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Solution

The fourth proportional to 13,387,631.76, 18,474,933.78 and 7,276,060.26 is: 10,040,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,631.76 : 18,474,933.78 = 7,276,060.26 : x
  2. Step 2: Convert to fraction form
    13,387,631.76/18,474,933.78 = 7,276,060.26/x
  3. Step 3: Cross multiply
    13,387,631.76x = 18,474,933.78 × 7,276,060.26
  4. Step 4: Simplify right side
    13,387,631.76x = 134,424,731,482,789.59
  5. Step 5: Solve for x
    x = 134,424,731,482,789.59/13,387,631.76
  6. Step 6: Final answer
    x = 10,040,964.22

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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.