Home / 31,219,249.42-46,812,738.63-13,704,638.05

Finding the Fourth Proportional to 31,219,249.42, 46,812,738.63 and 13,704,638.05

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Solution

The fourth proportional to 31,219,249.42, 46,812,738.63 and 13,704,638.05 is: 20,549,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219,249.42 : 46,812,738.63 = 13,704,638.05 : x
  2. Step 2: Convert to fraction form
    31,219,249.42/46,812,738.63 = 13,704,638.05/x
  3. Step 3: Cross multiply
    31,219,249.42x = 46,812,738.63 × 13,704,638.05
  4. Step 4: Simplify right side
    31,219,249.42x = 641,551,639,053,403
  5. Step 5: Solve for x
    x = 641,551,639,053,403/31,219,249.42
  6. Step 6: Final answer
    x = 20,549,873.91

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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.