Home / 21,717,155.60-32,568,499.76-8,759,959.84

Finding the Fourth Proportional to 21,717,155.60, 32,568,499.76 and 8,759,959.84

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Solution

The fourth proportional to 21,717,155.60, 32,568,499.76 and 8,759,959.84 is: 13,137,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717,155.60 : 32,568,499.76 = 8,759,959.84 : x
  2. Step 2: Convert to fraction form
    21,717,155.60/32,568,499.76 = 8,759,959.84/x
  3. Step 3: Cross multiply
    21,717,155.60x = 32,568,499.76 × 8,759,959.84
  4. Step 4: Simplify right side
    21,717,155.60x = 285,298,749,946,649.62
  5. Step 5: Solve for x
    x = 285,298,749,946,649.62/21,717,155.60
  6. Step 6: Final answer
    x = 13,137,021.96

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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.