Home / 13,263,536.87-18,259,464.98-12,654,151.19

Finding the Fourth Proportional to 13,263,536.87, 18,259,464.98 and 12,654,151.19

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Solution

The fourth proportional to 13,263,536.87, 18,259,464.98 and 12,654,151.19 is: 17,420,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,536.87 : 18,259,464.98 = 12,654,151.19 : x
  2. Step 2: Convert to fraction form
    13,263,536.87/18,259,464.98 = 12,654,151.19/x
  3. Step 3: Cross multiply
    13,263,536.87x = 18,259,464.98 × 12,654,151.19
  4. Step 4: Simplify right side
    13,263,536.87x = 231,058,030,445,768.41
  5. Step 5: Solve for x
    x = 231,058,030,445,768.41/13,263,536.87
  6. Step 6: Final answer
    x = 17,420,544.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.