Home / 31,166,128.12-46,749,192.30-8,447,025.40

Finding the Fourth Proportional to 31,166,128.12, 46,749,192.30 and 8,447,025.40

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Solution

The fourth proportional to 31,166,128.12, 46,749,192.30 and 8,447,025.40 is: 12,670,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166,128.12 : 46,749,192.30 = 8,447,025.40 : x
  2. Step 2: Convert to fraction form
    31,166,128.12/46,749,192.30 = 8,447,025.40/x
  3. Step 3: Cross multiply
    31,166,128.12x = 46,749,192.30 × 8,447,025.40
  4. Step 4: Simplify right side
    31,166,128.12x = 394,891,614,787,584.44
  5. Step 5: Solve for x
    x = 394,891,614,787,584.44/31,166,128.12
  6. Step 6: Final answer
    x = 12,670,538.13

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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.