Home / 30,132,774.72-41,583,702.24-16,381,791.36

Finding the Fourth Proportional to 30,132,774.72, 41,583,702.24 and 16,381,791.36

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Solution

The fourth proportional to 30,132,774.72, 41,583,702.24 and 16,381,791.36 is: 22,607,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,774.72 : 41,583,702.24 = 16,381,791.36 : x
  2. Step 2: Convert to fraction form
    30,132,774.72/41,583,702.24 = 16,381,791.36/x
  3. Step 3: Cross multiply
    30,132,774.72x = 41,583,702.24 × 16,381,791.36
  4. Step 4: Simplify right side
    30,132,774.72x = 681,215,534,072,044.62
  5. Step 5: Solve for x
    x = 681,215,534,072,044.62/30,132,774.72
  6. Step 6: Final answer
    x = 22,607,129.29

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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.