Home / 20,634,234.06-30,922,020.09-15,200,151.42

Finding the Fourth Proportional to 20,634,234.06, 30,922,020.09 and 15,200,151.42

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Solution

The fourth proportional to 20,634,234.06, 30,922,020.09 and 15,200,151.42 is: 22,778,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,234.06 : 30,922,020.09 = 15,200,151.42 : x
  2. Step 2: Convert to fraction form
    20,634,234.06/30,922,020.09 = 15,200,151.42/x
  3. Step 3: Cross multiply
    20,634,234.06x = 30,922,020.09 × 15,200,151.42
  4. Step 4: Simplify right side
    20,634,234.06x = 470,019,387,580,282
  5. Step 5: Solve for x
    x = 470,019,387,580,282/20,634,234.06
  6. Step 6: Final answer
    x = 22,778,620.53

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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.