Home / 22,015,320.90-33,022,981.35-11,811,653.70

Finding the Fourth Proportional to 22,015,320.90, 33,022,981.35 and 11,811,653.70

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Solution

The fourth proportional to 22,015,320.90, 33,022,981.35 and 11,811,653.70 is: 17,717,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,320.90 : 33,022,981.35 = 11,811,653.70 : x
  2. Step 2: Convert to fraction form
    22,015,320.90/33,022,981.35 = 11,811,653.70/x
  3. Step 3: Cross multiply
    22,015,320.90x = 33,022,981.35 × 11,811,653.70
  4. Step 4: Simplify right side
    22,015,320.90x = 390,056,019,847,758.50
  5. Step 5: Solve for x
    x = 390,056,019,847,758.50/22,015,320.90
  6. Step 6: Final answer
    x = 17,717,480.55

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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.