Home / 13,601,265.60-20,401,898.40-12,821,818.80

Finding the Fourth Proportional to 13,601,265.60, 20,401,898.40 and 12,821,818.80

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Solution

The fourth proportional to 13,601,265.60, 20,401,898.40 and 12,821,818.80 is: 19,232,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,265.60 : 20,401,898.40 = 12,821,818.80 : x
  2. Step 2: Convert to fraction form
    13,601,265.60/20,401,898.40 = 12,821,818.80/x
  3. Step 3: Cross multiply
    13,601,265.60x = 20,401,898.40 × 12,821,818.80
  4. Step 4: Simplify right side
    13,601,265.60x = 261,589,444,460,809.91
  5. Step 5: Solve for x
    x = 261,589,444,460,809.91/13,601,265.60
  6. Step 6: Final answer
    x = 19,232,728.20

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1.5x scale

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.