Home / 9,219,661.92-12,723,837.12-5,090,489.28

Finding the Fourth Proportional to 9,219,661.92, 12,723,837.12 and 5,090,489.28

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Solution

The fourth proportional to 9,219,661.92, 12,723,837.12 and 5,090,489.28 is: 7,025,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,661.92 : 12,723,837.12 = 5,090,489.28 : x
  2. Step 2: Convert to fraction form
    9,219,661.92/12,723,837.12 = 5,090,489.28/x
  3. Step 3: Cross multiply
    9,219,661.92x = 12,723,837.12 × 5,090,489.28
  4. Step 4: Simplify right side
    9,219,661.92x = 64,770,556,459,826.07
  5. Step 5: Solve for x
    x = 64,770,556,459,826.07/9,219,661.92
  6. Step 6: Final answer
    x = 7,025,263.73

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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.