Home / 23,991,819.72-33,108,611.49-12,978,542.28

Finding the Fourth Proportional to 23,991,819.72, 33,108,611.49 and 12,978,542.28

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Solution

The fourth proportional to 23,991,819.72, 33,108,611.49 and 12,978,542.28 is: 17,910,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991,819.72 : 33,108,611.49 = 12,978,542.28 : x
  2. Step 2: Convert to fraction form
    23,991,819.72/33,108,611.49 = 12,978,542.28/x
  3. Step 3: Cross multiply
    23,991,819.72x = 33,108,611.49 × 12,978,542.28
  4. Step 4: Simplify right side
    23,991,819.72x = 429,701,514,055,058.75
  5. Step 5: Solve for x
    x = 429,701,514,055,058.75/23,991,819.72
  6. Step 6: Final answer
    x = 17,910,334.40

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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.