Home / 21,002,330.58-28,983,044.61-11,709,790.26

Finding the Fourth Proportional to 21,002,330.58, 28,983,044.61 and 11,709,790.26

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Solution

The fourth proportional to 21,002,330.58, 28,983,044.61 and 11,709,790.26 is: 16,159,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,330.58 : 28,983,044.61 = 11,709,790.26 : x
  2. Step 2: Convert to fraction form
    21,002,330.58/28,983,044.61 = 11,709,790.26/x
  3. Step 3: Cross multiply
    21,002,330.58x = 28,983,044.61 × 11,709,790.26
  4. Step 4: Simplify right side
    21,002,330.58x = 339,385,373,479,323.50
  5. Step 5: Solve for x
    x = 339,385,373,479,323.50/21,002,330.58
  6. Step 6: Final answer
    x = 16,159,414.89

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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.