Home / 22,236,351.05-30,686,477.81-12,811,933.42

Finding the Fourth Proportional to 22,236,351.05, 30,686,477.81 and 12,811,933.42

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Solution

The fourth proportional to 22,236,351.05, 30,686,477.81 and 12,811,933.42 is: 17,680,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,351.05 : 30,686,477.81 = 12,811,933.42 : x
  2. Step 2: Convert to fraction form
    22,236,351.05/30,686,477.81 = 12,811,933.42/x
  3. Step 3: Cross multiply
    22,236,351.05x = 30,686,477.81 × 12,811,933.42
  4. Step 4: Simplify right side
    22,236,351.05x = 393,153,110,455,251.56
  5. Step 5: Solve for x
    x = 393,153,110,455,251.56/22,236,351.05
  6. Step 6: Final answer
    x = 17,680,648.66

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1.5x scale

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.