Home / 23,166,720.24-31,970,078.80-12,853,418.72

Finding the Fourth Proportional to 23,166,720.24, 31,970,078.80 and 12,853,418.72

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Solution

The fourth proportional to 23,166,720.24, 31,970,078.80 and 12,853,418.72 is: 17,737,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166,720.24 : 31,970,078.80 = 12,853,418.72 : x
  2. Step 2: Convert to fraction form
    23,166,720.24/31,970,078.80 = 12,853,418.72/x
  3. Step 3: Cross multiply
    23,166,720.24x = 31,970,078.80 × 12,853,418.72
  4. Step 4: Simplify right side
    23,166,720.24x = 410,924,809,327,795.19
  5. Step 5: Solve for x
    x = 410,924,809,327,795.19/23,166,720.24
  6. Step 6: Final answer
    x = 17,737,720.53

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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.