Home / 21,717,142.57-32,568,480.24-8,759,946.79

Finding the Fourth Proportional to 21,717,142.57, 32,568,480.24 and 8,759,946.79

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Solution

The fourth proportional to 21,717,142.57, 32,568,480.24 and 8,759,946.79 is: 13,137,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717,142.57 : 32,568,480.24 = 8,759,946.79 : x
  2. Step 2: Convert to fraction form
    21,717,142.57/32,568,480.24 = 8,759,946.79/x
  3. Step 3: Cross multiply
    21,717,142.57x = 32,568,480.24 × 8,759,946.79
  4. Step 4: Simplify right side
    21,717,142.57x = 285,298,153,933,566.38
  5. Step 5: Solve for x
    x = 285,298,153,933,566.38/21,717,142.57
  6. Step 6: Final answer
    x = 13,137,002.39

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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.