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Finding the Fourth Proportional to 18,348,082.30, 27,543,373.80 and 9,845,026.30

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Solution

The fourth proportional to 18,348,082.30, 27,543,373.80 and 9,845,026.30 is: 14,778,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,082.30 : 27,543,373.80 = 9,845,026.30 : x
  2. Step 2: Convert to fraction form
    18,348,082.30/27,543,373.80 = 9,845,026.30/x
  3. Step 3: Cross multiply
    18,348,082.30x = 27,543,373.80 × 9,845,026.30
  4. Step 4: Simplify right side
    18,348,082.30x = 271,165,239,451,730.97
  5. Step 5: Solve for x
    x = 271,165,239,451,730.97/18,348,082.30
  6. Step 6: Final answer
    x = 14,778,941.75

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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.