Home / 18,894,617.42-28,346,423.38-6,115,122.14

Finding the Fourth Proportional to 18,894,617.42, 28,346,423.38 and 6,115,122.14

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Solution

The fourth proportional to 18,894,617.42, 28,346,423.38 and 6,115,122.14 is: 9,174,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,617.42 : 28,346,423.38 = 6,115,122.14 : x
  2. Step 2: Convert to fraction form
    18,894,617.42/28,346,423.38 = 6,115,122.14/x
  3. Step 3: Cross multiply
    18,894,617.42x = 28,346,423.38 × 6,115,122.14
  4. Step 4: Simplify right side
    18,894,617.42x = 173,341,841,043,831.72
  5. Step 5: Solve for x
    x = 173,341,841,043,831.72/18,894,617.42
  6. Step 6: Final answer
    x = 9,174,138.71

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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.