Home / 13,666,639.86-20,507,526.45-8,188,272

Finding the Fourth Proportional to 13,666,639.86, 20,507,526.45 and 8,188,272

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Solution

The fourth proportional to 13,666,639.86, 20,507,526.45 and 8,188,272 is: 12,286,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,639.86 : 20,507,526.45 = 8,188,272 : x
  2. Step 2: Convert to fraction form
    13,666,639.86/20,507,526.45 = 8,188,272/x
  3. Step 3: Cross multiply
    13,666,639.86x = 20,507,526.45 × 8,188,272
  4. Step 4: Simplify right side
    13,666,639.86x = 167,921,204,619,794.41
  5. Step 5: Solve for x
    x = 167,921,204,619,794.41/13,666,639.86
  6. Step 6: Final answer
    x = 12,286,941.51

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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.