Home / 6,620,802.88-9,931,140.87-3,923,186.26

Finding the Fourth Proportional to 6,620,802.88, 9,931,140.87 and 3,923,186.26

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Solution

The fourth proportional to 6,620,802.88, 9,931,140.87 and 3,923,186.26 is: 5,884,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,802.88 : 9,931,140.87 = 3,923,186.26 : x
  2. Step 2: Convert to fraction form
    6,620,802.88/9,931,140.87 = 3,923,186.26/x
  3. Step 3: Cross multiply
    6,620,802.88x = 9,931,140.87 × 3,923,186.26
  4. Step 4: Simplify right side
    6,620,802.88x = 38,961,715,407,308.44
  5. Step 5: Solve for x
    x = 38,961,715,407,308.44/6,620,802.88
  6. Step 6: Final answer
    x = 5,884,741.79

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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.