Home / 31,893,859.80-47,840,789.70-8,864,749.80

Finding the Fourth Proportional to 31,893,859.80, 47,840,789.70 and 8,864,749.80

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Solution

The fourth proportional to 31,893,859.80, 47,840,789.70 and 8,864,749.80 is: 13,297,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893,859.80 : 47,840,789.70 = 8,864,749.80 : x
  2. Step 2: Convert to fraction form
    31,893,859.80/47,840,789.70 = 8,864,749.80/x
  3. Step 3: Cross multiply
    31,893,859.80x = 47,840,789.70 × 8,864,749.80
  4. Step 4: Simplify right side
    31,893,859.80x = 424,096,630,924,917.12
  5. Step 5: Solve for x
    x = 424,096,630,924,917.12/31,893,859.80
  6. Step 6: Final answer
    x = 13,297,124.70

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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.