Home / 30,755,005.20-46,129,008.60-8,038,198.80

Finding the Fourth Proportional to 30,755,005.20, 46,129,008.60 and 8,038,198.80

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Solution

The fourth proportional to 30,755,005.20, 46,129,008.60 and 8,038,198.80 is: 12,056,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755,005.20 : 46,129,008.60 = 8,038,198.80 : x
  2. Step 2: Convert to fraction form
    30,755,005.20/46,129,008.60 = 8,038,198.80/x
  3. Step 3: Cross multiply
    30,755,005.20x = 46,129,008.60 × 8,038,198.80
  4. Step 4: Simplify right side
    30,755,005.20x = 370,794,141,573,709.69
  5. Step 5: Solve for x
    x = 370,794,141,573,709.69/30,755,005.20
  6. Step 6: Final answer
    x = 12,056,383.64

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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.