Home / 12,994,942.60-19,471,418.70-8,194,040.20

Finding the Fourth Proportional to 12,994,942.60, 19,471,418.70 and 8,194,040.20

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Solution

The fourth proportional to 12,994,942.60, 19,471,418.70 and 8,194,040.20 is: 12,277,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,942.60 : 19,471,418.70 = 8,194,040.20 : x
  2. Step 2: Convert to fraction form
    12,994,942.60/19,471,418.70 = 8,194,040.20/x
  3. Step 3: Cross multiply
    12,994,942.60x = 19,471,418.70 × 8,194,040.20
  4. Step 4: Simplify right side
    12,994,942.60x = 159,549,587,578,831.75
  5. Step 5: Solve for x
    x = 159,549,587,578,831.75/12,994,942.60
  6. Step 6: Final answer
    x = 12,277,821.65

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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.