Home / 21,810,009.84-30,093,668.28-13,105,006.26

Finding the Fourth Proportional to 21,810,009.84, 30,093,668.28 and 13,105,006.26

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Solution

The fourth proportional to 21,810,009.84, 30,093,668.28 and 13,105,006.26 is: 18,082,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,009.84 : 30,093,668.28 = 13,105,006.26 : x
  2. Step 2: Convert to fraction form
    21,810,009.84/30,093,668.28 = 13,105,006.26/x
  3. Step 3: Cross multiply
    21,810,009.84x = 30,093,668.28 × 13,105,006.26
  4. Step 4: Simplify right side
    21,810,009.84x = 394,377,711,195,763.44
  5. Step 5: Solve for x
    x = 394,377,711,195,763.44/21,810,009.84
  6. Step 6: Final answer
    x = 18,082,417.85

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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.