Home / 7,117,824.86-9,822,546.96-3,854,563.89

Finding the Fourth Proportional to 7,117,824.86, 9,822,546.96 and 3,854,563.89

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Solution

The fourth proportional to 7,117,824.86, 9,822,546.96 and 3,854,563.89 is: 5,319,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,824.86 : 9,822,546.96 = 3,854,563.89 : x
  2. Step 2: Convert to fraction form
    7,117,824.86/9,822,546.96 = 3,854,563.89/x
  3. Step 3: Cross multiply
    7,117,824.86x = 9,822,546.96 × 3,854,563.89
  4. Step 4: Simplify right side
    7,117,824.86x = 37,861,634,819,845.28
  5. Step 5: Solve for x
    x = 37,861,634,819,845.28/7,117,824.86
  6. Step 6: Final answer
    x = 5,319,270.36

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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.