Home / 30,404,022.88-45,678,790.70-19,495,584.60

Finding the Fourth Proportional to 30,404,022.88, 45,678,790.70 and 19,495,584.60

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Solution

The fourth proportional to 30,404,022.88, 45,678,790.70 and 19,495,584.60 is: 29,290,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404,022.88 : 45,678,790.70 = 19,495,584.60 : x
  2. Step 2: Convert to fraction form
    30,404,022.88/45,678,790.70 = 19,495,584.60/x
  3. Step 3: Cross multiply
    30,404,022.88x = 45,678,790.70 × 19,495,584.60
  4. Step 4: Simplify right side
    30,404,022.88x = 890,534,728,420,065.38
  5. Step 5: Solve for x
    x = 890,534,728,420,065.38/30,404,022.88
  6. Step 6: Final answer
    x = 29,290,029.54

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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.