Home / 30,393,056.68-41,941,999.42-16,642,020.80

Finding the Fourth Proportional to 30,393,056.68, 41,941,999.42 and 16,642,020.80

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Solution

The fourth proportional to 30,393,056.68, 41,941,999.42 and 16,642,020.80 is: 22,965,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393,056.68 : 41,941,999.42 = 16,642,020.80 : x
  2. Step 2: Convert to fraction form
    30,393,056.68/41,941,999.42 = 16,642,020.80/x
  3. Step 3: Cross multiply
    30,393,056.68x = 41,941,999.42 × 16,642,020.80
  4. Step 4: Simplify right side
    30,393,056.68x = 697,999,626,741,228
  5. Step 5: Solve for x
    x = 697,999,626,741,228/30,393,056.68
  6. Step 6: Final answer
    x = 22,965,759.39

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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.