Home / 12,488,035.20-18,732,571.20-3,968,131.20

Finding the Fourth Proportional to 12,488,035.20, 18,732,571.20 and 3,968,131.20

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Solution

The fourth proportional to 12,488,035.20, 18,732,571.20 and 3,968,131.20 is: 5,952,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,035.20 : 18,732,571.20 = 3,968,131.20 : x
  2. Step 2: Convert to fraction form
    12,488,035.20/18,732,571.20 = 3,968,131.20/x
  3. Step 3: Cross multiply
    12,488,035.20x = 18,732,571.20 × 3,968,131.20
  4. Step 4: Simplify right side
    12,488,035.20x = 74,333,300,234,941.44
  5. Step 5: Solve for x
    x = 74,333,300,234,941.44/12,488,035.20
  6. Step 6: Final answer
    x = 5,952,361.52

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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.