Home / 31,514,536.60-47,245,560.90-13,332,693.40

Finding the Fourth Proportional to 31,514,536.60, 47,245,560.90 and 13,332,693.40

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Solution

The fourth proportional to 31,514,536.60, 47,245,560.90 and 13,332,693.40 is: 19,987,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,536.60 : 47,245,560.90 = 13,332,693.40 : x
  2. Step 2: Convert to fraction form
    31,514,536.60/47,245,560.90 = 13,332,693.40/x
  3. Step 3: Cross multiply
    31,514,536.60x = 47,245,560.90 × 13,332,693.40
  4. Step 4: Simplify right side
    31,514,536.60x = 629,910,577,990,728
  5. Step 5: Solve for x
    x = 629,910,577,990,728/31,514,536.60
  6. Step 6: Final answer
    x = 19,987,937.19

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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.