Home / 19,481,465.30-26,882,590.84-13,189,192.33

Finding the Fourth Proportional to 19,481,465.30, 26,882,590.84 and 13,189,192.33

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Solution

The fourth proportional to 19,481,465.30, 26,882,590.84 and 13,189,192.33 is: 18,199,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481,465.30 : 26,882,590.84 = 13,189,192.33 : x
  2. Step 2: Convert to fraction form
    19,481,465.30/26,882,590.84 = 13,189,192.33/x
  3. Step 3: Cross multiply
    19,481,465.30x = 26,882,590.84 × 13,189,192.33
  4. Step 4: Simplify right side
    19,481,465.30x = 354,559,660,932,244.38
  5. Step 5: Solve for x
    x = 354,559,660,932,244.38/19,481,465.30
  6. Step 6: Final answer
    x = 18,199,845.62

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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.