Home / 39,119,589.66-58,655,458.46-18,655,568.22

Finding the Fourth Proportional to 39,119,589.66, 58,655,458.46 and 18,655,568.22

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Solution

The fourth proportional to 39,119,589.66, 58,655,458.46 and 18,655,568.22 is: 27,971,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119,589.66 : 58,655,458.46 = 18,655,568.22 : x
  2. Step 2: Convert to fraction form
    39,119,589.66/58,655,458.46 = 18,655,568.22/x
  3. Step 3: Cross multiply
    39,119,589.66x = 58,655,458.46 × 18,655,568.22
  4. Step 4: Simplify right side
    39,119,589.66x = 1,094,250,906,775,906.12
  5. Step 5: Solve for x
    x = 1,094,250,906,775,906.12/39,119,589.66
  6. Step 6: Final answer
    x = 27,971,942.35

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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.