Home / 20,714,958.28-28,596,447.78-12,009,954.70

Finding the Fourth Proportional to 20,714,958.28, 28,596,447.78 and 12,009,954.70

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Solution

The fourth proportional to 20,714,958.28, 28,596,447.78 and 12,009,954.70 is: 16,579,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,958.28 : 28,596,447.78 = 12,009,954.70 : x
  2. Step 2: Convert to fraction form
    20,714,958.28/28,596,447.78 = 12,009,954.70/x
  3. Step 3: Cross multiply
    20,714,958.28x = 28,596,447.78 × 12,009,954.70
  4. Step 4: Simplify right side
    20,714,958.28x = 343,442,042,418,715.56
  5. Step 5: Solve for x
    x = 343,442,042,418,715.56/20,714,958.28
  6. Step 6: Final answer
    x = 16,579,422.36

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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.