Home / 12,324,851.20-18,487,276.80-11,521,784.80

Finding the Fourth Proportional to 12,324,851.20, 18,487,276.80 and 11,521,784.80

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Solution

The fourth proportional to 12,324,851.20, 18,487,276.80 and 11,521,784.80 is: 17,282,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,851.20 : 18,487,276.80 = 11,521,784.80 : x
  2. Step 2: Convert to fraction form
    12,324,851.20/18,487,276.80 = 11,521,784.80/x
  3. Step 3: Cross multiply
    12,324,851.20x = 18,487,276.80 × 11,521,784.80
  4. Step 4: Simplify right side
    12,324,851.20x = 213,006,424,827,632.66
  5. Step 5: Solve for x
    x = 213,006,424,827,632.66/12,324,851.20
  6. Step 6: Final answer
    x = 17,282,677.20

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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.