Home / 20,120,528.98-30,088,086.54-14,942,915.83

Finding the Fourth Proportional to 20,120,528.98, 30,088,086.54 and 14,942,915.83

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Solution

The fourth proportional to 20,120,528.98, 30,088,086.54 and 14,942,915.83 is: 22,345,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120,528.98 : 30,088,086.54 = 14,942,915.83 : x
  2. Step 2: Convert to fraction form
    20,120,528.98/30,088,086.54 = 14,942,915.83/x
  3. Step 3: Cross multiply
    20,120,528.98x = 30,088,086.54 × 14,942,915.83
  4. Step 4: Simplify right side
    20,120,528.98x = 449,603,744,652,975.94
  5. Step 5: Solve for x
    x = 449,603,744,652,975.94/20,120,528.98
  6. Step 6: Final answer
    x = 22,345,523.08

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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.