Home / 20,045,379.72-27,662,642.10-10,878,022.56

Finding the Fourth Proportional to 20,045,379.72, 27,662,642.10 and 10,878,022.56

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Solution

The fourth proportional to 20,045,379.72, 27,662,642.10 and 10,878,022.56 is: 15,011,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,379.72 : 27,662,642.10 = 10,878,022.56 : x
  2. Step 2: Convert to fraction form
    20,045,379.72/27,662,642.10 = 10,878,022.56/x
  3. Step 3: Cross multiply
    20,045,379.72x = 27,662,642.10 × 10,878,022.56
  4. Step 4: Simplify right side
    20,045,379.72x = 300,914,844,833,005.81
  5. Step 5: Solve for x
    x = 300,914,844,833,005.81/20,045,379.72
  6. Step 6: Final answer
    x = 15,011,680.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.