Home / 15,635,821,861.42-21,577,448,072.58-8,499,235,673.50

Finding the Fourth Proportional to 15,635,821,861.42, 21,577,448,072.58 and 8,499,235,673.50

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Solution

The fourth proportional to 15,635,821,861.42, 21,577,448,072.58 and 8,499,235,673.50 is: 11,728,952,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,821,861.42 : 21,577,448,072.58 = 8,499,235,673.50 : x
  2. Step 2: Convert to fraction form
    15,635,821,861.42/21,577,448,072.58 = 8,499,235,673.50/x
  3. Step 3: Cross multiply
    15,635,821,861.42x = 21,577,448,072.58 × 8,499,235,673.50
  4. Step 4: Simplify right side
    15,635,821,861.42x = 183,391,816,401,565,777,920
  5. Step 5: Solve for x
    x = 183,391,816,401,565,777,920/15,635,821,861.42
  6. Step 6: Final answer
    x = 11,728,952,787.19

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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.