Home / 7,219,420.05-10,821,839.04-4,525,633.41

Finding the Fourth Proportional to 7,219,420.05, 10,821,839.04 and 4,525,633.41

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Solution

The fourth proportional to 7,219,420.05, 10,821,839.04 and 4,525,633.41 is: 6,783,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,420.05 : 10,821,839.04 = 4,525,633.41 : x
  2. Step 2: Convert to fraction form
    7,219,420.05/10,821,839.04 = 4,525,633.41/x
  3. Step 3: Cross multiply
    7,219,420.05x = 10,821,839.04 × 4,525,633.41
  4. Step 4: Simplify right side
    7,219,420.05x = 48,975,676,317,066.32
  5. Step 5: Solve for x
    x = 48,975,676,317,066.32/7,219,420.05
  6. Step 6: Final answer
    x = 6,783,879.59

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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.