Home / 31,530,625.70-47,295,938.55-18,563,465.30

Finding the Fourth Proportional to 31,530,625.70, 47,295,938.55 and 18,563,465.30

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Solution

The fourth proportional to 31,530,625.70, 47,295,938.55 and 18,563,465.30 is: 27,845,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,625.70 : 47,295,938.55 = 18,563,465.30 : x
  2. Step 2: Convert to fraction form
    31,530,625.70/47,295,938.55 = 18,563,465.30/x
  3. Step 3: Cross multiply
    31,530,625.70x = 47,295,938.55 × 18,563,465.30
  4. Step 4: Simplify right side
    31,530,625.70x = 877,976,514,103,857.25
  5. Step 5: Solve for x
    x = 877,976,514,103,857.25/31,530,625.70
  6. Step 6: Final answer
    x = 27,845,197.95

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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.