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Finding the Fourth Proportional to 18,398,145.60, 27,597,218.40 and 11,205,977.40

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Solution

The fourth proportional to 18,398,145.60, 27,597,218.40 and 11,205,977.40 is: 16,808,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,145.60 : 27,597,218.40 = 11,205,977.40 : x
  2. Step 2: Convert to fraction form
    18,398,145.60/27,597,218.40 = 11,205,977.40/x
  3. Step 3: Cross multiply
    18,398,145.60x = 27,597,218.40 × 11,205,977.40
  4. Step 4: Simplify right side
    18,398,145.60x = 309,253,805,693,264.12
  5. Step 5: Solve for x
    x = 309,253,805,693,264.12/18,398,145.60
  6. Step 6: Final answer
    x = 16,808,966.10

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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.