Home / 7,117,982.72-10,676,971.44-2,858,149.64

Finding the Fourth Proportional to 7,117,982.72, 10,676,971.44 and 2,858,149.64

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Solution

The fourth proportional to 7,117,982.72, 10,676,971.44 and 2,858,149.64 is: 4,287,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,982.72 : 10,676,971.44 = 2,858,149.64 : x
  2. Step 2: Convert to fraction form
    7,117,982.72/10,676,971.44 = 2,858,149.64/x
  3. Step 3: Cross multiply
    7,117,982.72x = 10,676,971.44 × 2,858,149.64
  4. Step 4: Simplify right side
    7,117,982.72x = 30,516,382,077,526.28
  5. Step 5: Solve for x
    x = 30,516,382,077,526.28/7,117,982.72
  6. Step 6: Final answer
    x = 4,287,223.40

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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.