Home / 11,378,818.80-17,070,685.80-3,401,449.20

Finding the Fourth Proportional to 11,378,818.80, 17,070,685.80 and 3,401,449.20

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Solution

The fourth proportional to 11,378,818.80, 17,070,685.80 and 3,401,449.20 is: 5,102,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,818.80 : 17,070,685.80 = 3,401,449.20 : x
  2. Step 2: Convert to fraction form
    11,378,818.80/17,070,685.80 = 3,401,449.20/x
  3. Step 3: Cross multiply
    11,378,818.80x = 17,070,685.80 × 3,401,449.20
  4. Step 4: Simplify right side
    11,378,818.80x = 58,065,070,557,861.37
  5. Step 5: Solve for x
    x = 58,065,070,557,861.37/11,378,818.80
  6. Step 6: Final answer
    x = 5,102,908.45

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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.