Home / 31,475,145.06-47,212,801.83-8,756,044.74

Finding the Fourth Proportional to 31,475,145.06, 47,212,801.83 and 8,756,044.74

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Solution

The fourth proportional to 31,475,145.06, 47,212,801.83 and 8,756,044.74 is: 13,134,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,145.06 : 47,212,801.83 = 8,756,044.74 : x
  2. Step 2: Convert to fraction form
    31,475,145.06/47,212,801.83 = 8,756,044.74/x
  3. Step 3: Cross multiply
    31,475,145.06x = 47,212,801.83 × 8,756,044.74
  4. Step 4: Simplify right side
    31,475,145.06x = 413,397,405,124,233.88
  5. Step 5: Solve for x
    x = 413,397,405,124,233.88/31,475,145.06
  6. Step 6: Final answer
    x = 13,134,090.54

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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.