Home / 33,139,871.36-45,732,654.24-18,455,217.20

Finding the Fourth Proportional to 33,139,871.36, 45,732,654.24 and 18,455,217.20

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Solution

The fourth proportional to 33,139,871.36, 45,732,654.24 and 18,455,217.20 is: 25,467,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139,871.36 : 45,732,654.24 = 18,455,217.20 : x
  2. Step 2: Convert to fraction form
    33,139,871.36/45,732,654.24 = 18,455,217.20/x
  3. Step 3: Cross multiply
    33,139,871.36x = 45,732,654.24 × 18,455,217.20
  4. Step 4: Simplify right side
    33,139,871.36x = 844,006,067,131,700.88
  5. Step 5: Solve for x
    x = 844,006,067,131,700.88/33,139,871.36
  6. Step 6: Final answer
    x = 25,467,994.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.