Home / 28,272,458.82-42,369,452.91-12,882,136.59

Finding the Fourth Proportional to 28,272,458.82, 42,369,452.91 and 12,882,136.59

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Solution

The fourth proportional to 28,272,458.82, 42,369,452.91 and 12,882,136.59 is: 19,305,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,458.82 : 42,369,452.91 = 12,882,136.59 : x
  2. Step 2: Convert to fraction form
    28,272,458.82/42,369,452.91 = 12,882,136.59/x
  3. Step 3: Cross multiply
    28,272,458.82x = 42,369,452.91 × 12,882,136.59
  4. Step 4: Simplify right side
    28,272,458.82x = 545,809,079,630,192.94
  5. Step 5: Solve for x
    x = 545,809,079,630,192.94/28,272,458.82
  6. Step 6: Final answer
    x = 19,305,327.60

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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.