Home / 31,219,249.80-46,812,739.19-13,704,638.43

Finding the Fourth Proportional to 31,219,249.80, 46,812,739.19 and 13,704,638.43

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Solution

The fourth proportional to 31,219,249.80, 46,812,739.19 and 13,704,638.43 is: 20,549,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219,249.80 : 46,812,739.19 = 13,704,638.43 : x
  2. Step 2: Convert to fraction form
    31,219,249.80/46,812,739.19 = 13,704,638.43/x
  3. Step 3: Cross multiply
    31,219,249.80x = 46,812,739.19 × 13,704,638.43
  4. Step 4: Simplify right side
    31,219,249.80x = 641,551,664,516,841
  5. Step 5: Solve for x
    x = 641,551,664,516,841/31,219,249.80
  6. Step 6: Final answer
    x = 20,549,874.47

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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.