Home / 13,338,186.96-18,406,457.82-7,536,843.84

Finding the Fourth Proportional to 13,338,186.96, 18,406,457.82 and 7,536,843.84

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Solution

The fourth proportional to 13,338,186.96, 18,406,457.82 and 7,536,843.84 is: 10,400,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,186.96 : 18,406,457.82 = 7,536,843.84 : x
  2. Step 2: Convert to fraction form
    13,338,186.96/18,406,457.82 = 7,536,843.84/x
  3. Step 3: Cross multiply
    13,338,186.96x = 18,406,457.82 × 7,536,843.84
  4. Step 4: Simplify right side
    13,338,186.96x = 138,726,598,236,886.83
  5. Step 5: Solve for x
    x = 138,726,598,236,886.83/13,338,186.96
  6. Step 6: Final answer
    x = 10,400,708.78

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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.