Home / 10,609,849.32-15,917,879.52-3,421,238.64

Finding the Fourth Proportional to 10,609,849.32, 15,917,879.52 and 3,421,238.64

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Solution

The fourth proportional to 10,609,849.32, 15,917,879.52 and 3,421,238.64 is: 5,132,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,849.32 : 15,917,879.52 = 3,421,238.64 : x
  2. Step 2: Convert to fraction form
    10,609,849.32/15,917,879.52 = 3,421,238.64/x
  3. Step 3: Cross multiply
    10,609,849.32x = 15,917,879.52 × 3,421,238.64
  4. Step 4: Simplify right side
    10,609,849.32x = 54,458,864,480,688.66
  5. Step 5: Solve for x
    x = 54,458,864,480,688.66/10,609,849.32
  6. Step 6: Final answer
    x = 5,132,859.37

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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.