Home / 21,751,588.81-30,017,982.80-12,460,954.62

Finding the Fourth Proportional to 21,751,588.81, 30,017,982.80 and 12,460,954.62

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Solution

The fourth proportional to 21,751,588.81, 30,017,982.80 and 12,460,954.62 is: 17,196,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,588.81 : 30,017,982.80 = 12,460,954.62 : x
  2. Step 2: Convert to fraction form
    21,751,588.81/30,017,982.80 = 12,460,954.62/x
  3. Step 3: Cross multiply
    21,751,588.81x = 30,017,982.80 × 12,460,954.62
  4. Step 4: Simplify right side
    21,751,588.81x = 374,052,721,485,892.88
  5. Step 5: Solve for x
    x = 374,052,721,485,892.88/21,751,588.81
  6. Step 6: Final answer
    x = 17,196,570.09

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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.