Home / 30,929,740.86-42,681,861.99-17,179,586.94

Finding the Fourth Proportional to 30,929,740.86, 42,681,861.99 and 17,179,586.94

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Solution

The fourth proportional to 30,929,740.86, 42,681,861.99 and 17,179,586.94 is: 23,707,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,740.86 : 42,681,861.99 = 17,179,586.94 : x
  2. Step 2: Convert to fraction form
    30,929,740.86/42,681,861.99 = 17,179,586.94/x
  3. Step 3: Cross multiply
    30,929,740.86x = 42,681,861.99 × 17,179,586.94
  4. Step 4: Simplify right side
    30,929,740.86x = 733,256,758,818,286.50
  5. Step 5: Solve for x
    x = 733,256,758,818,286.50/30,929,740.86
  6. Step 6: Final answer
    x = 23,707,174.34

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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.