Home / 12,352,143.80-18,528,215.70-11,512,335.80

Finding the Fourth Proportional to 12,352,143.80, 18,528,215.70 and 11,512,335.80

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Solution

The fourth proportional to 12,352,143.80, 18,528,215.70 and 11,512,335.80 is: 17,268,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,143.80 : 18,528,215.70 = 11,512,335.80 : x
  2. Step 2: Convert to fraction form
    12,352,143.80/18,528,215.70 = 11,512,335.80/x
  3. Step 3: Cross multiply
    12,352,143.80x = 18,528,215.70 × 11,512,335.80
  4. Step 4: Simplify right side
    12,352,143.80x = 213,303,040,913,232.06
  5. Step 5: Solve for x
    x = 213,303,040,913,232.06/12,352,143.80
  6. Step 6: Final answer
    x = 17,268,503.70

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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.