Home / 9,291,274.80-13,936,912.20-8,693,403.68

Finding the Fourth Proportional to 9,291,274.80, 13,936,912.20 and 8,693,403.68

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Solution

The fourth proportional to 9,291,274.80, 13,936,912.20 and 8,693,403.68 is: 13,040,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,274.80 : 13,936,912.20 = 8,693,403.68 : x
  2. Step 2: Convert to fraction form
    9,291,274.80/13,936,912.20 = 8,693,403.68/x
  3. Step 3: Cross multiply
    9,291,274.80x = 13,936,912.20 × 8,693,403.68
  4. Step 4: Simplify right side
    9,291,274.80x = 121,159,203,807,316.89
  5. Step 5: Solve for x
    x = 121,159,203,807,316.89/9,291,274.80
  6. Step 6: Final answer
    x = 13,040,105.52

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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.