Home / 21,849,994.92-30,156,028.74-12,192,825

Finding the Fourth Proportional to 21,849,994.92, 30,156,028.74 and 12,192,825

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Solution

The fourth proportional to 21,849,994.92, 30,156,028.74 and 12,192,825 is: 16,827,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,994.92 : 30,156,028.74 = 12,192,825 : x
  2. Step 2: Convert to fraction form
    21,849,994.92/30,156,028.74 = 12,192,825/x
  3. Step 3: Cross multiply
    21,849,994.92x = 30,156,028.74 × 12,192,825
  4. Step 4: Simplify right side
    21,849,994.92x = 367,687,181,121,790.50
  5. Step 5: Solve for x
    x = 367,687,181,121,790.50/21,849,994.92
  6. Step 6: Final answer
    x = 16,827,792.52

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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.