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Finding the Fourth Proportional to 19,835,479.98, 27,372,040.98 and 11,015,491.26

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Solution

The fourth proportional to 19,835,479.98, 27,372,040.98 and 11,015,491.26 is: 15,200,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835,479.98 : 27,372,040.98 = 11,015,491.26 : x
  2. Step 2: Convert to fraction form
    19,835,479.98/27,372,040.98 = 11,015,491.26/x
  3. Step 3: Cross multiply
    19,835,479.98x = 27,372,040.98 × 11,015,491.26
  4. Step 4: Simplify right side
    19,835,479.98x = 301,516,478,183,551.81
  5. Step 5: Solve for x
    x = 301,516,478,183,551.81/19,835,479.98
  6. Step 6: Final answer
    x = 15,200,866.25

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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.