Home / 22,271,403.70-33,407,105.55-19,578,769.30

Finding the Fourth Proportional to 22,271,403.70, 33,407,105.55 and 19,578,769.30

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Solution

The fourth proportional to 22,271,403.70, 33,407,105.55 and 19,578,769.30 is: 29,368,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271,403.70 : 33,407,105.55 = 19,578,769.30 : x
  2. Step 2: Convert to fraction form
    22,271,403.70/33,407,105.55 = 19,578,769.30/x
  3. Step 3: Cross multiply
    22,271,403.70x = 33,407,105.55 × 19,578,769.30
  4. Step 4: Simplify right side
    22,271,403.70x = 654,070,012,544,199.62
  5. Step 5: Solve for x
    x = 654,070,012,544,199.62/22,271,403.70
  6. Step 6: Final answer
    x = 29,368,153.95

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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.