Home / 21,954,331.72-30,296,948.06-12,165,409.83

Finding the Fourth Proportional to 21,954,331.72, 30,296,948.06 and 12,165,409.83

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Solution

The fourth proportional to 21,954,331.72, 30,296,948.06 and 12,165,409.83 is: 16,788,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,331.72 : 30,296,948.06 = 12,165,409.83 : x
  2. Step 2: Convert to fraction form
    21,954,331.72/30,296,948.06 = 12,165,409.83/x
  3. Step 3: Cross multiply
    21,954,331.72x = 30,296,948.06 × 12,165,409.83
  4. Step 4: Simplify right side
    21,954,331.72x = 368,574,789,748,123.44
  5. Step 5: Solve for x
    x = 368,574,789,748,123.44/21,954,331.72
  6. Step 6: Final answer
    x = 16,788,249.10

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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.