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Finding the Fourth Proportional to 22,463,763.59, 33,674,978.23 and 12,213,644.51

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Solution

The fourth proportional to 22,463,763.59, 33,674,978.23 and 12,213,644.51 is: 18,309,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463,763.59 : 33,674,978.23 = 12,213,644.51 : x
  2. Step 2: Convert to fraction form
    22,463,763.59/33,674,978.23 = 12,213,644.51/x
  3. Step 3: Cross multiply
    22,463,763.59x = 33,674,978.23 × 12,213,644.51
  4. Step 4: Simplify right side
    22,463,763.59x = 411,294,212,983,209
  5. Step 5: Solve for x
    x = 411,294,212,983,209/22,463,763.59
  6. Step 6: Final answer
    x = 18,309,229.94

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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.