Home / 13,426,449.70-20,092,435.35-12,292,708.90

Finding the Fourth Proportional to 13,426,449.70, 20,092,435.35 and 12,292,708.90

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Solution

The fourth proportional to 13,426,449.70, 20,092,435.35 and 12,292,708.90 is: 18,395,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,449.70 : 20,092,435.35 = 12,292,708.90 : x
  2. Step 2: Convert to fraction form
    13,426,449.70/20,092,435.35 = 12,292,708.90/x
  3. Step 3: Cross multiply
    13,426,449.70x = 20,092,435.35 × 12,292,708.90
  4. Step 4: Simplify right side
    13,426,449.70x = 246,990,458,849,619.66
  5. Step 5: Solve for x
    x = 246,990,458,849,619.66/13,426,449.70
  6. Step 6: Final answer
    x = 18,395,813.07

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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.