Home / 18,717,942.15-28,076,913.23-17,773,158.15

Finding the Fourth Proportional to 18,717,942.15, 28,076,913.23 and 17,773,158.15

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Solution

The fourth proportional to 18,717,942.15, 28,076,913.23 and 17,773,158.15 is: 26,659,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,942.15 : 28,076,913.23 = 17,773,158.15 : x
  2. Step 2: Convert to fraction form
    18,717,942.15/28,076,913.23 = 17,773,158.15/x
  3. Step 3: Cross multiply
    18,717,942.15x = 28,076,913.23 × 17,773,158.15
  4. Step 4: Simplify right side
    18,717,942.15x = 499,015,419,111,751.50
  5. Step 5: Solve for x
    x = 499,015,419,111,751.50/18,717,942.15
  6. Step 6: Final answer
    x = 26,659,737.23

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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.