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Finding the Fourth Proportional to 22,177,858.40, 33,258,914.40 and 15,354,418.40

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Solution

The fourth proportional to 22,177,858.40, 33,258,914.40 and 15,354,418.40 is: 23,026,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177,858.40 : 33,258,914.40 = 15,354,418.40 : x
  2. Step 2: Convert to fraction form
    22,177,858.40/33,258,914.40 = 15,354,418.40/x
  3. Step 3: Cross multiply
    22,177,858.40x = 33,258,914.40 × 15,354,418.40
  4. Step 4: Simplify right side
    22,177,858.40x = 510,671,287,227,384.94
  5. Step 5: Solve for x
    x = 510,671,287,227,384.94/22,177,858.40
  6. Step 6: Final answer
    x = 23,026,176.74

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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.