Home / 20,900,187.59-31,342,293.68-6,875,155.53

Finding the Fourth Proportional to 20,900,187.59, 31,342,293.68 and 6,875,155.53

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Solution

The fourth proportional to 20,900,187.59, 31,342,293.68 and 6,875,155.53 is: 10,310,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,187.59 : 31,342,293.68 = 6,875,155.53 : x
  2. Step 2: Convert to fraction form
    20,900,187.59/31,342,293.68 = 6,875,155.53/x
  3. Step 3: Cross multiply
    20,900,187.59x = 31,342,293.68 × 6,875,155.53
  4. Step 4: Simplify right side
    20,900,187.59x = 215,483,143,682,560.28
  5. Step 5: Solve for x
    x = 215,483,143,682,560.28/20,900,187.59
  6. Step 6: Final answer
    x = 10,310,105.73

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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.