Home / 14,939,871.44-20,616,742.68-9,138,227

Finding the Fourth Proportional to 14,939,871.44, 20,616,742.68 and 9,138,227

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Solution

The fourth proportional to 14,939,871.44, 20,616,742.68 and 9,138,227 is: 12,610,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,871.44 : 20,616,742.68 = 9,138,227 : x
  2. Step 2: Convert to fraction form
    14,939,871.44/20,616,742.68 = 9,138,227/x
  3. Step 3: Cross multiply
    14,939,871.44x = 20,616,742.68 × 9,138,227
  4. Step 4: Simplify right side
    14,939,871.44x = 188,400,474,610,428.34
  5. Step 5: Solve for x
    x = 188,400,474,610,428.34/14,939,871.44
  6. Step 6: Final answer
    x = 12,610,582.05

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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.