Home / 31,171,885.65-43,018,530.71-17,420,849.37

Finding the Fourth Proportional to 31,171,885.65, 43,018,530.71 and 17,420,849.37

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Solution

The fourth proportional to 31,171,885.65, 43,018,530.71 and 17,420,849.37 is: 24,041,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,885.65 : 43,018,530.71 = 17,420,849.37 : x
  2. Step 2: Convert to fraction form
    31,171,885.65/43,018,530.71 = 17,420,849.37/x
  3. Step 3: Cross multiply
    31,171,885.65x = 43,018,530.71 × 17,420,849.37
  4. Step 4: Simplify right side
    31,171,885.65x = 749,419,343,530,524.88
  5. Step 5: Solve for x
    x = 749,419,343,530,524.88/31,171,885.65
  6. Step 6: Final answer
    x = 24,041,514.59

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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.