Home / 13,892,839.20-19,166,006.16-8,383,143.60

Finding the Fourth Proportional to 13,892,839.20, 19,166,006.16 and 8,383,143.60

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Solution

The fourth proportional to 13,892,839.20, 19,166,006.16 and 8,383,143.60 is: 11,565,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,839.20 : 19,166,006.16 = 8,383,143.60 : x
  2. Step 2: Convert to fraction form
    13,892,839.20/19,166,006.16 = 8,383,143.60/x
  3. Step 3: Cross multiply
    13,892,839.20x = 19,166,006.16 × 8,383,143.60
  4. Step 4: Simplify right side
    13,892,839.20x = 160,671,381,877,764.56
  5. Step 5: Solve for x
    x = 160,671,381,877,764.56/13,892,839.20
  6. Step 6: Final answer
    x = 11,565,050.14

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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.