Home / 18,606,645.40-27,889,232.10-7,243,317.40

Finding the Fourth Proportional to 18,606,645.40, 27,889,232.10 and 7,243,317.40

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Solution

The fourth proportional to 18,606,645.40, 27,889,232.10 and 7,243,317.40 is: 10,856,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606,645.40 : 27,889,232.10 = 7,243,317.40 : x
  2. Step 2: Convert to fraction form
    18,606,645.40/27,889,232.10 = 7,243,317.40/x
  3. Step 3: Cross multiply
    18,606,645.40x = 27,889,232.10 × 7,243,317.40
  4. Step 4: Simplify right side
    18,606,645.40x = 202,010,560,142,568.56
  5. Step 5: Solve for x
    x = 202,010,560,142,568.56/18,606,645.40
  6. Step 6: Final answer
    x = 10,856,903.85

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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.