Home / 55,299,782.91-82,949,715.68-18,908,447.97

Finding the Fourth Proportional to 55,299,782.91, 82,949,715.68 and 18,908,447.97

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Solution

The fourth proportional to 55,299,782.91, 82,949,715.68 and 18,908,447.97 is: 28,362,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299,782.91 : 82,949,715.68 = 18,908,447.97 : x
  2. Step 2: Convert to fraction form
    55,299,782.91/82,949,715.68 = 18,908,447.97/x
  3. Step 3: Cross multiply
    55,299,782.91x = 82,949,715.68 × 18,908,447.97
  4. Step 4: Simplify right side
    55,299,782.91x = 1,568,450,382,967,030.75
  5. Step 5: Solve for x
    x = 1,568,450,382,967,030.75/55,299,782.91
  6. Step 6: Final answer
    x = 28,362,686.08

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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.