Home / 7,874,556.89-11,812,820.70-3,081,627.32

Finding the Fourth Proportional to 7,874,556.89, 11,812,820.70 and 3,081,627.32

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Solution

The fourth proportional to 7,874,556.89, 11,812,820.70 and 3,081,627.32 is: 4,622,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,556.89 : 11,812,820.70 = 3,081,627.32 : x
  2. Step 2: Convert to fraction form
    7,874,556.89/11,812,820.70 = 3,081,627.32/x
  3. Step 3: Cross multiply
    7,874,556.89x = 11,812,820.70 × 3,081,627.32
  4. Step 4: Simplify right side
    7,874,556.89x = 36,402,710,995,381.52
  5. Step 5: Solve for x
    x = 36,402,710,995,381.52/7,874,556.89
  6. Step 6: Final answer
    x = 4,622,826.59

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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.