Home / 20,849,348.16-28,772,080.20-11,682,056.52

Finding the Fourth Proportional to 20,849,348.16, 28,772,080.20 and 11,682,056.52

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Solution

The fourth proportional to 20,849,348.16, 28,772,080.20 and 11,682,056.52 is: 16,121,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849,348.16 : 28,772,080.20 = 11,682,056.52 : x
  2. Step 2: Convert to fraction form
    20,849,348.16/28,772,080.20 = 11,682,056.52/x
  3. Step 3: Cross multiply
    20,849,348.16x = 28,772,080.20 × 11,682,056.52
  4. Step 4: Simplify right side
    20,849,348.16x = 336,117,067,094,372.88
  5. Step 5: Solve for x
    x = 336,117,067,094,372.88/20,849,348.16
  6. Step 6: Final answer
    x = 16,121,226.65

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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.