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Finding the Fourth Proportional to 19,481,606.40, 29,222,409.60 and 8,844,038.40

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Solution

The fourth proportional to 19,481,606.40, 29,222,409.60 and 8,844,038.40 is: 13,266,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481,606.40 : 29,222,409.60 = 8,844,038.40 : x
  2. Step 2: Convert to fraction form
    19,481,606.40/29,222,409.60 = 8,844,038.40/x
  3. Step 3: Cross multiply
    19,481,606.40x = 29,222,409.60 × 8,844,038.40
  4. Step 4: Simplify right side
    19,481,606.40x = 258,444,112,642,928.66
  5. Step 5: Solve for x
    x = 258,444,112,642,928.66/19,481,606.40
  6. Step 6: Final answer
    x = 13,266,057.60

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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.