Home / 20,342,878.13-30,518,519.81-6,696,844.91

Finding the Fourth Proportional to 20,342,878.13, 30,518,519.81 and 6,696,844.91

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Solution

The fourth proportional to 20,342,878.13, 30,518,519.81 and 6,696,844.91 is: 10,046,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,878.13 : 30,518,519.81 = 6,696,844.91 : x
  2. Step 2: Convert to fraction form
    20,342,878.13/30,518,519.81 = 6,696,844.91/x
  3. Step 3: Cross multiply
    20,342,878.13x = 30,518,519.81 × 6,696,844.91
  4. Step 4: Simplify right side
    20,342,878.13x = 204,377,794,050,332.66
  5. Step 5: Solve for x
    x = 204,377,794,050,332.66/20,342,878.13
  6. Step 6: Final answer
    x = 10,046,650.86

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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.