Home / 15,568,385.57-21,484,243.80-8,503,984.64

Finding the Fourth Proportional to 15,568,385.57, 21,484,243.80 and 8,503,984.64

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Solution

The fourth proportional to 15,568,385.57, 21,484,243.80 and 8,503,984.64 is: 11,735,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,385.57 : 21,484,243.80 = 8,503,984.64 : x
  2. Step 2: Convert to fraction form
    15,568,385.57/21,484,243.80 = 8,503,984.64/x
  3. Step 3: Cross multiply
    15,568,385.57x = 21,484,243.80 × 8,503,984.64
  4. Step 4: Simplify right side
    15,568,385.57x = 182,701,679,277,215.25
  5. Step 5: Solve for x
    x = 182,701,679,277,215.25/15,568,385.57
  6. Step 6: Final answer
    x = 11,735,428.73

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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.