Home / 45,294,418.62-67,936,539.47-12,509,648.37

Finding the Fourth Proportional to 45,294,418.62, 67,936,539.47 and 12,509,648.37

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Solution

The fourth proportional to 45,294,418.62, 67,936,539.47 and 12,509,648.37 is: 18,763,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294,418.62 : 67,936,539.47 = 12,509,648.37 : x
  2. Step 2: Convert to fraction form
    45,294,418.62/67,936,539.47 = 12,509,648.37/x
  3. Step 3: Cross multiply
    45,294,418.62x = 67,936,539.47 × 12,509,648.37
  4. Step 4: Simplify right side
    45,294,418.62x = 849,862,220,181,777.88
  5. Step 5: Solve for x
    x = 849,862,220,181,777.88/45,294,418.62
  6. Step 6: Final answer
    x = 18,763,067.20

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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.