Home / 20,965,000.77-31,448,857.10-6,588,668.79

Finding the Fourth Proportional to 20,965,000.77, 31,448,857.10 and 6,588,668.79

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Solution

The fourth proportional to 20,965,000.77, 31,448,857.10 and 6,588,668.79 is: 9,883,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,000.77 : 31,448,857.10 = 6,588,668.79 : x
  2. Step 2: Convert to fraction form
    20,965,000.77/31,448,857.10 = 6,588,668.79/x
  3. Step 3: Cross multiply
    20,965,000.77x = 31,448,857.10 × 6,588,668.79
  4. Step 4: Simplify right side
    20,965,000.77x = 207,206,103,222,996.56
  5. Step 5: Solve for x
    x = 207,206,103,222,996.56/20,965,000.77
  6. Step 6: Final answer
    x = 9,883,429.32

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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.