Home / 20,678,623.86-31,019,102.18-6,302,160.66

Finding the Fourth Proportional to 20,678,623.86, 31,019,102.18 and 6,302,160.66

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Solution

The fourth proportional to 20,678,623.86, 31,019,102.18 and 6,302,160.66 is: 9,453,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,623.86 : 31,019,102.18 = 6,302,160.66 : x
  2. Step 2: Convert to fraction form
    20,678,623.86/31,019,102.18 = 6,302,160.66/x
  3. Step 3: Cross multiply
    20,678,623.86x = 31,019,102.18 × 6,302,160.66
  4. Step 4: Simplify right side
    20,678,623.86x = 195,487,365,467,316.25
  5. Step 5: Solve for x
    x = 195,487,365,467,316.25/20,678,623.86
  6. Step 6: Final answer
    x = 9,453,596.47

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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.