Home / 19,858,275.78-29,789,123.67-5,481,346.02

Finding the Fourth Proportional to 19,858,275.78, 29,789,123.67 and 5,481,346.02

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Solution

The fourth proportional to 19,858,275.78, 29,789,123.67 and 5,481,346.02 is: 8,222,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858,275.78 : 29,789,123.67 = 5,481,346.02 : x
  2. Step 2: Convert to fraction form
    19,858,275.78/29,789,123.67 = 5,481,346.02/x
  3. Step 3: Cross multiply
    19,858,275.78x = 29,789,123.67 × 5,481,346.02
  4. Step 4: Simplify right side
    19,858,275.78x = 163,284,494,467,842.28
  5. Step 5: Solve for x
    x = 163,284,494,467,842.28/19,858,275.78
  6. Step 6: Final answer
    x = 8,222,491.03

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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.