Home / 21,954,370.11-30,297,000.72-12,165,448.02

Finding the Fourth Proportional to 21,954,370.11, 30,297,000.72 and 12,165,448.02

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Solution

The fourth proportional to 21,954,370.11, 30,297,000.72 and 12,165,448.02 is: 16,788,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,370.11 : 30,297,000.72 = 12,165,448.02 : x
  2. Step 2: Convert to fraction form
    21,954,370.11/30,297,000.72 = 12,165,448.02/x
  3. Step 3: Cross multiply
    21,954,370.11x = 30,297,000.72 × 12,165,448.02
  4. Step 4: Simplify right side
    21,954,370.11x = 368,576,587,421,062.56
  5. Step 5: Solve for x
    x = 368,576,587,421,062.56/21,954,370.11
  6. Step 6: Final answer
    x = 16,788,301.63

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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.