Home / 12,252,956.40-18,383,371.20-8,214,004.80

Finding the Fourth Proportional to 12,252,956.40, 18,383,371.20 and 8,214,004.80

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Solution

The fourth proportional to 12,252,956.40, 18,383,371.20 and 8,214,004.80 is: 12,323,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,956.40 : 18,383,371.20 = 8,214,004.80 : x
  2. Step 2: Convert to fraction form
    12,252,956.40/18,383,371.20 = 8,214,004.80/x
  3. Step 3: Cross multiply
    12,252,956.40x = 18,383,371.20 × 8,214,004.80
  4. Step 4: Simplify right side
    12,252,956.40x = 151,001,099,276,981.75
  5. Step 5: Solve for x
    x = 151,001,099,276,981.75/12,252,956.40
  6. Step 6: Final answer
    x = 12,323,646.18

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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.