Home / 38,592,212.16-57,876,027.20-12,678,498.40

Finding the Fourth Proportional to 38,592,212.16, 57,876,027.20 and 12,678,498.40

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Solution

The fourth proportional to 38,592,212.16, 57,876,027.20 and 12,678,498.40 is: 19,013,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,592,212.16 : 57,876,027.20 = 12,678,498.40 : x
  2. Step 2: Convert to fraction form
    38,592,212.16/57,876,027.20 = 12,678,498.40/x
  3. Step 3: Cross multiply
    38,592,212.16x = 57,876,027.20 × 12,678,498.40
  4. Step 4: Simplify right side
    38,592,212.16x = 733,781,118,253,556.50
  5. Step 5: Solve for x
    x = 733,781,118,253,556.50/38,592,212.16
  6. Step 6: Final answer
    x = 19,013,709.69

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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.