Home / 13,601,269.60-20,401,904.40-12,821,822.80

Finding the Fourth Proportional to 13,601,269.60, 20,401,904.40 and 12,821,822.80

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Solution

The fourth proportional to 13,601,269.60, 20,401,904.40 and 12,821,822.80 is: 19,232,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,269.60 : 20,401,904.40 = 12,821,822.80 : x
  2. Step 2: Convert to fraction form
    13,601,269.60/20,401,904.40 = 12,821,822.80/x
  3. Step 3: Cross multiply
    13,601,269.60x = 20,401,904.40 × 12,821,822.80
  4. Step 4: Simplify right side
    13,601,269.60x = 261,589,602,999,340.31
  5. Step 5: Solve for x
    x = 261,589,602,999,340.31/13,601,269.60
  6. Step 6: Final answer
    x = 19,232,734.20

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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.