Home / 12,531,658.64-18,782,940.56-4,745,623.52

Finding the Fourth Proportional to 12,531,658.64, 18,782,940.56 and 4,745,623.52

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Solution

The fourth proportional to 12,531,658.64, 18,782,940.56 and 4,745,623.52 is: 7,112,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,658.64 : 18,782,940.56 = 4,745,623.52 : x
  2. Step 2: Convert to fraction form
    12,531,658.64/18,782,940.56 = 4,745,623.52/x
  3. Step 3: Cross multiply
    12,531,658.64x = 18,782,940.56 × 4,745,623.52
  4. Step 4: Simplify right side
    12,531,658.64x = 89,136,764,496,297.95
  5. Step 5: Solve for x
    x = 89,136,764,496,297.95/12,531,658.64
  6. Step 6: Final answer
    x = 7,112,926.31

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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.