Home / 21,819,243.03-30,139,297.55-16,172,782.83

Finding the Fourth Proportional to 21,819,243.03, 30,139,297.55 and 16,172,782.83

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Solution

The fourth proportional to 21,819,243.03, 30,139,297.55 and 16,172,782.83 is: 22,339,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,243.03 : 30,139,297.55 = 16,172,782.83 : x
  2. Step 2: Convert to fraction form
    21,819,243.03/30,139,297.55 = 16,172,782.83/x
  3. Step 3: Cross multiply
    21,819,243.03x = 30,139,297.55 × 16,172,782.83
  4. Step 4: Simplify right side
    21,819,243.03x = 487,436,313,924,901.06
  5. Step 5: Solve for x
    x = 487,436,313,924,901.06/21,819,243.03
  6. Step 6: Final answer
    x = 22,339,744.47

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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.