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Finding the Fourth Proportional to 22,366,978.40, 33,550,467.60 and 11,605,298.15

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Solution

The fourth proportional to 22,366,978.40, 33,550,467.60 and 11,605,298.15 is: 17,407,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366,978.40 : 33,550,467.60 = 11,605,298.15 : x
  2. Step 2: Convert to fraction form
    22,366,978.40/33,550,467.60 = 11,605,298.15/x
  3. Step 3: Cross multiply
    22,366,978.40x = 33,550,467.60 × 11,605,298.15
  4. Step 4: Simplify right side
    22,366,978.40x = 389,363,179,569,915
  5. Step 5: Solve for x
    x = 389,363,179,569,915/22,366,978.40
  6. Step 6: Final answer
    x = 17,407,947.23

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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.