Home / 22,015,289.40-33,022,934.10-11,811,622.20

Finding the Fourth Proportional to 22,015,289.40, 33,022,934.10 and 11,811,622.20

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Solution

The fourth proportional to 22,015,289.40, 33,022,934.10 and 11,811,622.20 is: 17,717,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,289.40 : 33,022,934.10 = 11,811,622.20 : x
  2. Step 2: Convert to fraction form
    22,015,289.40/33,022,934.10 = 11,811,622.20/x
  3. Step 3: Cross multiply
    22,015,289.40x = 33,022,934.10 × 11,811,622.20
  4. Step 4: Simplify right side
    22,015,289.40x = 390,054,421,524,697
  5. Step 5: Solve for x
    x = 390,054,421,524,697/22,015,289.40
  6. Step 6: Final answer
    x = 17,717,433.30

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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.