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Finding the Fourth Proportional to 8,795,840.40, 13,196,093.40 and 3,115,472.40

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Solution

The fourth proportional to 8,795,840.40, 13,196,093.40 and 3,115,472.40 is: 4,674,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795,840.40 : 13,196,093.40 = 3,115,472.40 : x
  2. Step 2: Convert to fraction form
    8,795,840.40/13,196,093.40 = 3,115,472.40/x
  3. Step 3: Cross multiply
    8,795,840.40x = 13,196,093.40 × 3,115,472.40
  4. Step 4: Simplify right side
    8,795,840.40x = 41,112,064,775,522.16
  5. Step 5: Solve for x
    x = 41,112,064,775,522.16/8,795,840.40
  6. Step 6: Final answer
    x = 4,674,034.87

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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.