Home / 21,479,732.46-29,645,154.72-12,061,579.68

Finding the Fourth Proportional to 21,479,732.46, 29,645,154.72 and 12,061,579.68

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Solution

The fourth proportional to 21,479,732.46, 29,645,154.72 and 12,061,579.68 is: 16,646,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479,732.46 : 29,645,154.72 = 12,061,579.68 : x
  2. Step 2: Convert to fraction form
    21,479,732.46/29,645,154.72 = 12,061,579.68/x
  3. Step 3: Cross multiply
    21,479,732.46x = 29,645,154.72 × 12,061,579.68
  4. Step 4: Simplify right side
    21,479,732.46x = 357,567,395,781,208.06
  5. Step 5: Solve for x
    x = 357,567,395,781,208.06/21,479,732.46
  6. Step 6: Final answer
    x = 16,646,734.15

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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.