Home / 31,102,504.06-46,648,439.79-8,378,086.90

Finding the Fourth Proportional to 31,102,504.06, 46,648,439.79 and 8,378,086.90

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Solution

The fourth proportional to 31,102,504.06, 46,648,439.79 and 8,378,086.90 is: 12,565,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,504.06 : 46,648,439.79 = 8,378,086.90 : x
  2. Step 2: Convert to fraction form
    31,102,504.06/46,648,439.79 = 8,378,086.90/x
  3. Step 3: Cross multiply
    31,102,504.06x = 46,648,439.79 × 8,378,086.90
  4. Step 4: Simplify right side
    31,102,504.06x = 390,824,682,310,037.75
  5. Step 5: Solve for x
    x = 390,824,682,310,037.75/31,102,504.06
  6. Step 6: Final answer
    x = 12,565,698.30

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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.