Home / 11,278,058.63-16,920,731.22-5,216,766.44

Finding the Fourth Proportional to 11,278,058.63, 16,920,731.22 and 5,216,766.44

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Solution

The fourth proportional to 11,278,058.63, 16,920,731.22 and 5,216,766.44 is: 7,826,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,058.63 : 16,920,731.22 = 5,216,766.44 : x
  2. Step 2: Convert to fraction form
    11,278,058.63/16,920,731.22 = 5,216,766.44/x
  3. Step 3: Cross multiply
    11,278,058.63x = 16,920,731.22 × 5,216,766.44
  4. Step 4: Simplify right side
    11,278,058.63x = 88,271,502,693,934.03
  5. Step 5: Solve for x
    x = 88,271,502,693,934.03/11,278,058.63
  6. Step 6: Final answer
    x = 7,826,834.88

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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.