Home / 20,898,748.84-28,841,231.57-11,606,361.61

Finding the Fourth Proportional to 20,898,748.84, 28,841,231.57 and 11,606,361.61

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Solution

The fourth proportional to 20,898,748.84, 28,841,231.57 and 11,606,361.61 is: 16,017,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,748.84 : 28,841,231.57 = 11,606,361.61 : x
  2. Step 2: Convert to fraction form
    20,898,748.84/28,841,231.57 = 11,606,361.61/x
  3. Step 3: Cross multiply
    20,898,748.84x = 28,841,231.57 × 11,606,361.61
  4. Step 4: Simplify right side
    20,898,748.84x = 334,741,762,879,168
  5. Step 5: Solve for x
    x = 334,741,762,879,168/20,898,748.84
  6. Step 6: Final answer
    x = 16,017,311.15

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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.