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Finding the Fourth Proportional to 9,813,201.10, 14,691,808.05 and 8,693,457.10

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Solution

The fourth proportional to 9,813,201.10, 14,691,808.05 and 8,693,457.10 is: 13,015,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813,201.10 : 14,691,808.05 = 8,693,457.10 : x
  2. Step 2: Convert to fraction form
    9,813,201.10/14,691,808.05 = 8,693,457.10/x
  3. Step 3: Cross multiply
    9,813,201.10x = 14,691,808.05 × 8,693,457.10
  4. Step 4: Simplify right side
    9,813,201.10x = 127,722,603,004,109.66
  5. Step 5: Solve for x
    x = 127,722,603,004,109.66/9,813,201.10
  6. Step 6: Final answer
    x = 13,015,386.28

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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.