Home / 13,490,998.40-20,236,497.60-3,393,619.40

Finding the Fourth Proportional to 13,490,998.40, 20,236,497.60 and 3,393,619.40

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Solution

The fourth proportional to 13,490,998.40, 20,236,497.60 and 3,393,619.40 is: 5,090,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,998.40 : 20,236,497.60 = 3,393,619.40 : x
  2. Step 2: Convert to fraction form
    13,490,998.40/20,236,497.60 = 3,393,619.40/x
  3. Step 3: Cross multiply
    13,490,998.40x = 20,236,497.60 × 3,393,619.40
  4. Step 4: Simplify right side
    13,490,998.40x = 68,674,970,843,413.45
  5. Step 5: Solve for x
    x = 68,674,970,843,413.45/13,490,998.40
  6. Step 6: Final answer
    x = 5,090,429.10

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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.