Home / 12,944,667.60-19,423,999.80-5,757,310.80

Finding the Fourth Proportional to 12,944,667.60, 19,423,999.80 and 5,757,310.80

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Solution

The fourth proportional to 12,944,667.60, 19,423,999.80 and 5,757,310.80 is: 8,639,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,667.60 : 19,423,999.80 = 5,757,310.80 : x
  2. Step 2: Convert to fraction form
    12,944,667.60/19,423,999.80 = 5,757,310.80/x
  3. Step 3: Cross multiply
    12,944,667.60x = 19,423,999.80 × 5,757,310.80
  4. Step 4: Simplify right side
    12,944,667.60x = 111,830,003,827,737.84
  5. Step 5: Solve for x
    x = 111,830,003,827,737.84/12,944,667.60
  6. Step 6: Final answer
    x = 8,639,078.83

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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.