Home / 40,099,839.07-55,336,296.14-21,764,730.91

Finding the Fourth Proportional to 40,099,839.07, 55,336,296.14 and 21,764,730.91

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Solution

The fourth proportional to 40,099,839.07, 55,336,296.14 and 21,764,730.91 is: 30,034,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,839.07 : 55,336,296.14 = 21,764,730.91 : x
  2. Step 2: Convert to fraction form
    40,099,839.07/55,336,296.14 = 21,764,730.91/x
  3. Step 3: Cross multiply
    40,099,839.07x = 55,336,296.14 × 21,764,730.91
  4. Step 4: Simplify right side
    40,099,839.07x = 1,204,379,594,934,348
  5. Step 5: Solve for x
    x = 1,204,379,594,934,348/40,099,839.07
  6. Step 6: Final answer
    x = 30,034,524.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.