Home / 12,018,087.82-18,027,154.29-2,920,193.11

Finding the Fourth Proportional to 12,018,087.82, 18,027,154.29 and 2,920,193.11

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Solution

The fourth proportional to 12,018,087.82, 18,027,154.29 and 2,920,193.11 is: 4,380,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,087.82 : 18,027,154.29 = 2,920,193.11 : x
  2. Step 2: Convert to fraction form
    12,018,087.82/18,027,154.29 = 2,920,193.11/x
  3. Step 3: Cross multiply
    12,018,087.82x = 18,027,154.29 × 2,920,193.11
  4. Step 4: Simplify right side
    12,018,087.82x = 52,642,771,784,049.61
  5. Step 5: Solve for x
    x = 52,642,771,784,049.61/12,018,087.82
  6. Step 6: Final answer
    x = 4,380,295.15

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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.