Home / 21,086,357.06-29,090,588.01-13,741,514.39

Finding the Fourth Proportional to 21,086,357.06, 29,090,588.01 and 13,741,514.39

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Solution

The fourth proportional to 21,086,357.06, 29,090,588.01 and 13,741,514.39 is: 18,957,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,357.06 : 29,090,588.01 = 13,741,514.39 : x
  2. Step 2: Convert to fraction form
    21,086,357.06/29,090,588.01 = 13,741,514.39/x
  3. Step 3: Cross multiply
    21,086,357.06x = 29,090,588.01 × 13,741,514.39
  4. Step 4: Simplify right side
    21,086,357.06x = 399,748,733,869,343.81
  5. Step 5: Solve for x
    x = 399,748,733,869,343.81/21,086,357.06
  6. Step 6: Final answer
    x = 18,957,695.38

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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.