Home / 13,460,679.17-20,196,107.38-5,269,175.68

Finding the Fourth Proportional to 13,460,679.17, 20,196,107.38 and 5,269,175.68

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Solution

The fourth proportional to 13,460,679.17, 20,196,107.38 and 5,269,175.68 is: 7,905,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,679.17 : 20,196,107.38 = 5,269,175.68 : x
  2. Step 2: Convert to fraction form
    13,460,679.17/20,196,107.38 = 5,269,175.68/x
  3. Step 3: Cross multiply
    13,460,679.17x = 20,196,107.38 × 5,269,175.68
  4. Step 4: Simplify right side
    13,460,679.17x = 106,416,837,837,364.50
  5. Step 5: Solve for x
    x = 106,416,837,837,364.50/13,460,679.17
  6. Step 6: Final answer
    x = 7,905,755.46

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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.