Home / 19,606,036.85-29,382,150.78-12,404,679.20

Finding the Fourth Proportional to 19,606,036.85, 29,382,150.78 and 12,404,679.20

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Solution

The fourth proportional to 19,606,036.85, 29,382,150.78 and 12,404,679.20 is: 18,589,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606,036.85 : 29,382,150.78 = 12,404,679.20 : x
  2. Step 2: Convert to fraction form
    19,606,036.85/29,382,150.78 = 12,404,679.20/x
  3. Step 3: Cross multiply
    19,606,036.85x = 29,382,150.78 × 12,404,679.20
  4. Step 4: Simplify right side
    19,606,036.85x = 364,476,154,631,929.75
  5. Step 5: Solve for x
    x = 364,476,154,631,929.75/19,606,036.85
  6. Step 6: Final answer
    x = 18,589,996.41

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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.