Home / 16,385,565.66-22,611,969.41-9,043,398.72

Finding the Fourth Proportional to 16,385,565.66, 22,611,969.41 and 9,043,398.72

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Solution

The fourth proportional to 16,385,565.66, 22,611,969.41 and 9,043,398.72 is: 12,479,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385,565.66 : 22,611,969.41 = 9,043,398.72 : x
  2. Step 2: Convert to fraction form
    16,385,565.66/22,611,969.41 = 9,043,398.72/x
  3. Step 3: Cross multiply
    16,385,565.66x = 22,611,969.41 × 9,043,398.72
  4. Step 4: Simplify right side
    16,385,565.66x = 204,489,055,106,013.31
  5. Step 5: Solve for x
    x = 204,489,055,106,013.31/16,385,565.66
  6. Step 6: Final answer
    x = 12,479,828.86

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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.