Home / 40,136,033.79-60,213,021.03-12,843,965.88

Finding the Fourth Proportional to 40,136,033.79, 60,213,021.03 and 12,843,965.88

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Solution

The fourth proportional to 40,136,033.79, 60,213,021.03 and 12,843,965.88 is: 19,268,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136,033.79 : 60,213,021.03 = 12,843,965.88 : x
  2. Step 2: Convert to fraction form
    40,136,033.79/60,213,021.03 = 12,843,965.88/x
  3. Step 3: Cross multiply
    40,136,033.79x = 60,213,021.03 × 12,843,965.88
  4. Step 4: Simplify right side
    40,136,033.79x = 773,373,987,641,042.50
  5. Step 5: Solve for x
    x = 773,373,987,641,042.50/40,136,033.79
  6. Step 6: Final answer
    x = 19,268,819.43

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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.