Home / 30,404,021.88-45,678,789.19-19,495,583.60

Finding the Fourth Proportional to 30,404,021.88, 45,678,789.19 and 19,495,583.60

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Solution

The fourth proportional to 30,404,021.88, 45,678,789.19 and 19,495,583.60 is: 29,290,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404,021.88 : 45,678,789.19 = 19,495,583.60 : x
  2. Step 2: Convert to fraction form
    30,404,021.88/45,678,789.19 = 19,495,583.60/x
  3. Step 3: Cross multiply
    30,404,021.88x = 45,678,789.19 × 19,495,583.60
  4. Step 4: Simplify right side
    30,404,021.88x = 890,534,653,571,362.25
  5. Step 5: Solve for x
    x = 890,534,653,571,362.25/30,404,021.88
  6. Step 6: Final answer
    x = 29,290,028.05

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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.