Home / 13,382,341.92-20,080,182.24-5,301,142.56

Finding the Fourth Proportional to 13,382,341.92, 20,080,182.24 and 5,301,142.56

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Solution

The fourth proportional to 13,382,341.92, 20,080,182.24 and 5,301,142.56 is: 7,954,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,341.92 : 20,080,182.24 = 5,301,142.56 : x
  2. Step 2: Convert to fraction form
    13,382,341.92/20,080,182.24 = 5,301,142.56/x
  3. Step 3: Cross multiply
    13,382,341.92x = 20,080,182.24 × 5,301,142.56
  4. Step 4: Simplify right side
    13,382,341.92x = 106,447,908,685,020.12
  5. Step 5: Solve for x
    x = 106,447,908,685,020.12/13,382,341.92
  6. Step 6: Final answer
    x = 7,954,355.77

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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.