Home / 30,179,157.84-41,647,242.60-16,428,225.24

Finding the Fourth Proportional to 30,179,157.84, 41,647,242.60 and 16,428,225.24

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Solution

The fourth proportional to 30,179,157.84, 41,647,242.60 and 16,428,225.24 is: 22,670,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179,157.84 : 41,647,242.60 = 16,428,225.24 : x
  2. Step 2: Convert to fraction form
    30,179,157.84/41,647,242.60 = 16,428,225.24/x
  3. Step 3: Cross multiply
    30,179,157.84x = 41,647,242.60 × 16,428,225.24
  4. Step 4: Simplify right side
    30,179,157.84x = 684,190,282,057,723.25
  5. Step 5: Solve for x
    x = 684,190,282,057,723.25/30,179,157.84
  6. Step 6: Final answer
    x = 22,670,953.43

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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.