Home / 36,335,721.92-50,141,609.60-20,854,911.20

Finding the Fourth Proportional to 36,335,721.92, 50,141,609.60 and 20,854,911.20

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Solution

The fourth proportional to 36,335,721.92, 50,141,609.60 and 20,854,911.20 is: 28,778,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335,721.92 : 50,141,609.60 = 20,854,911.20 : x
  2. Step 2: Convert to fraction form
    36,335,721.92/50,141,609.60 = 20,854,911.20/x
  3. Step 3: Cross multiply
    36,335,721.92x = 50,141,609.60 × 20,854,911.20
  4. Step 4: Simplify right side
    36,335,721.92x = 1,045,698,815,633,067.50
  5. Step 5: Solve for x
    x = 1,045,698,815,633,067.50/36,335,721.92
  6. Step 6: Final answer
    x = 28,778,809.40

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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.