Home / 22,660,979.40-33,991,469.10-19,578,621.60

Finding the Fourth Proportional to 22,660,979.40, 33,991,469.10 and 19,578,621.60

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Solution

The fourth proportional to 22,660,979.40, 33,991,469.10 and 19,578,621.60 is: 29,367,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660,979.40 : 33,991,469.10 = 19,578,621.60 : x
  2. Step 2: Convert to fraction form
    22,660,979.40/33,991,469.10 = 19,578,621.60/x
  3. Step 3: Cross multiply
    22,660,979.40x = 33,991,469.10 × 19,578,621.60
  4. Step 4: Simplify right side
    22,660,979.40x = 665,506,111,136,992.62
  5. Step 5: Solve for x
    x = 665,506,111,136,992.62/22,660,979.40
  6. Step 6: Final answer
    x = 29,367,932.40

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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.