Home / 13,431,536.82-18,533,251.53-7,550,387.64

Finding the Fourth Proportional to 13,431,536.82, 18,533,251.53 and 7,550,387.64

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Solution

The fourth proportional to 13,431,536.82, 18,533,251.53 and 7,550,387.64 is: 10,418,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,536.82 : 18,533,251.53 = 7,550,387.64 : x
  2. Step 2: Convert to fraction form
    13,431,536.82/18,533,251.53 = 7,550,387.64/x
  3. Step 3: Cross multiply
    13,431,536.82x = 18,533,251.53 × 7,550,387.64
  4. Step 4: Simplify right side
    13,431,536.82x = 139,933,233,281,123.09
  5. Step 5: Solve for x
    x = 139,933,233,281,123.09/13,431,536.82
  6. Step 6: Final answer
    x = 10,418,259.29

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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.