Home / 13,916,054.70-20,916,072.45-12,068,477.10

Finding the Fourth Proportional to 13,916,054.70, 20,916,072.45 and 12,068,477.10

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Solution

The fourth proportional to 13,916,054.70, 20,916,072.45 and 12,068,477.10 is: 18,139,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,054.70 : 20,916,072.45 = 12,068,477.10 : x
  2. Step 2: Convert to fraction form
    13,916,054.70/20,916,072.45 = 12,068,477.10/x
  3. Step 3: Cross multiply
    13,916,054.70x = 20,916,072.45 × 12,068,477.10
  4. Step 4: Simplify right side
    13,916,054.70x = 252,425,141,384,765.88
  5. Step 5: Solve for x
    x = 252,425,141,384,765.88/13,916,054.70
  6. Step 6: Final answer
    x = 18,139,131.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.