Home / 11,561,814.51-15,954,016.73-6,403,884.36

Finding the Fourth Proportional to 11,561,814.51, 15,954,016.73 and 6,403,884.36

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Solution

The fourth proportional to 11,561,814.51, 15,954,016.73 and 6,403,884.36 is: 8,836,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,814.51 : 15,954,016.73 = 6,403,884.36 : x
  2. Step 2: Convert to fraction form
    11,561,814.51/15,954,016.73 = 6,403,884.36/x
  3. Step 3: Cross multiply
    11,561,814.51x = 15,954,016.73 × 6,403,884.36
  4. Step 4: Simplify right side
    11,561,814.51x = 102,167,678,184,405.92
  5. Step 5: Solve for x
    x = 102,167,678,184,405.92/11,561,814.51
  6. Step 6: Final answer
    x = 8,836,647.40

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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.