Home / 37,442,161.64-51,669,191.92-20,922,421.96

Finding the Fourth Proportional to 37,442,161.64, 51,669,191.92 and 20,922,421.96

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Solution

The fourth proportional to 37,442,161.64, 51,669,191.92 and 20,922,421.96 is: 28,872,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442,161.64 : 51,669,191.92 = 20,922,421.96 : x
  2. Step 2: Convert to fraction form
    37,442,161.64/51,669,191.92 = 20,922,421.96/x
  3. Step 3: Cross multiply
    37,442,161.64x = 51,669,191.92 × 20,922,421.96
  4. Step 4: Simplify right side
    37,442,161.64x = 1,081,044,635,682,462.62
  5. Step 5: Solve for x
    x = 1,081,044,635,682,462.62/37,442,161.64
  6. Step 6: Final answer
    x = 28,872,388.46

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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.