Home / 34,638,917.45-47,801,832.80-18,744,002.30

Finding the Fourth Proportional to 34,638,917.45, 47,801,832.80 and 18,744,002.30

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Solution

The fourth proportional to 34,638,917.45, 47,801,832.80 and 18,744,002.30 is: 25,866,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638,917.45 : 47,801,832.80 = 18,744,002.30 : x
  2. Step 2: Convert to fraction form
    34,638,917.45/47,801,832.80 = 18,744,002.30/x
  3. Step 3: Cross multiply
    34,638,917.45x = 47,801,832.80 × 18,744,002.30
  4. Step 4: Simplify right side
    34,638,917.45x = 895,997,663,973,200
  5. Step 5: Solve for x
    x = 895,997,663,973,200/34,638,917.45
  6. Step 6: Final answer
    x = 25,866,791.74

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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.