Home / 20,286,672.27-27,998,612.45-12,845,025.96

Finding the Fourth Proportional to 20,286,672.27, 27,998,612.45 and 12,845,025.96

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Solution

The fourth proportional to 20,286,672.27, 27,998,612.45 and 12,845,025.96 is: 17,728,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,672.27 : 27,998,612.45 = 12,845,025.96 : x
  2. Step 2: Convert to fraction form
    20,286,672.27/27,998,612.45 = 12,845,025.96/x
  3. Step 3: Cross multiply
    20,286,672.27x = 27,998,612.45 × 12,845,025.96
  4. Step 4: Simplify right side
    20,286,672.27x = 359,642,903,764,229.19
  5. Step 5: Solve for x
    x = 359,642,903,764,229.19/20,286,672.27
  6. Step 6: Final answer
    x = 17,728,038.34

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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.