Home / 21,278,934.24-31,922,884.66-6,900,880.92

Finding the Fourth Proportional to 21,278,934.24, 31,922,884.66 and 6,900,880.92

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Solution

The fourth proportional to 21,278,934.24, 31,922,884.66 and 6,900,880.92 is: 10,352,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,934.24 : 31,922,884.66 = 6,900,880.92 : x
  2. Step 2: Convert to fraction form
    21,278,934.24/31,922,884.66 = 6,900,880.92/x
  3. Step 3: Cross multiply
    21,278,934.24x = 31,922,884.66 × 6,900,880.92
  4. Step 4: Simplify right side
    21,278,934.24x = 220,296,025,661,554.69
  5. Step 5: Solve for x
    x = 220,296,025,661,554.69/21,278,934.24
  6. Step 6: Final answer
    x = 10,352,775.34

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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.