Home / 30,379,185.27-41,922,948.60-16,440,231.96

Finding the Fourth Proportional to 30,379,185.27, 41,922,948.60 and 16,440,231.96

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Solution

The fourth proportional to 30,379,185.27, 41,922,948.60 and 16,440,231.96 is: 22,687,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379,185.27 : 41,922,948.60 = 16,440,231.96 : x
  2. Step 2: Convert to fraction form
    30,379,185.27/41,922,948.60 = 16,440,231.96/x
  3. Step 3: Cross multiply
    30,379,185.27x = 41,922,948.60 × 16,440,231.96
  4. Step 4: Simplify right side
    30,379,185.27x = 689,222,999,431,157.38
  5. Step 5: Solve for x
    x = 689,222,999,431,157.38/30,379,185.27
  6. Step 6: Final answer
    x = 22,687,343.10

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1.5x scale

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.