Home / 22,769,397.37-31,422,016.38-12,455,899.03

Finding the Fourth Proportional to 22,769,397.37, 31,422,016.38 and 12,455,899.03

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Solution

The fourth proportional to 22,769,397.37, 31,422,016.38 and 12,455,899.03 is: 17,189,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769,397.37 : 31,422,016.38 = 12,455,899.03 : x
  2. Step 2: Convert to fraction form
    22,769,397.37/31,422,016.38 = 12,455,899.03/x
  3. Step 3: Cross multiply
    22,769,397.37x = 31,422,016.38 × 12,455,899.03
  4. Step 4: Simplify right side
    22,769,397.37x = 391,389,463,364,208.81
  5. Step 5: Solve for x
    x = 391,389,463,364,208.81/22,769,397.37
  6. Step 6: Final answer
    x = 17,189,276.33

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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.