Home / 21,278,932.24-31,922,881.66-6,900,878.92

Finding the Fourth Proportional to 21,278,932.24, 31,922,881.66 and 6,900,878.92

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Solution

The fourth proportional to 21,278,932.24, 31,922,881.66 and 6,900,878.92 is: 10,352,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,932.24 : 31,922,881.66 = 6,900,878.92 : x
  2. Step 2: Convert to fraction form
    21,278,932.24/31,922,881.66 = 6,900,878.92/x
  3. Step 3: Cross multiply
    21,278,932.24x = 31,922,881.66 × 6,900,878.92
  4. Step 4: Simplify right side
    21,278,932.24x = 220,295,941,113,148.59
  5. Step 5: Solve for x
    x = 220,295,941,113,148.59/21,278,932.24
  6. Step 6: Final answer
    x = 10,352,772.34

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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.