Home / 6,265,128.40-9,376,697.40-5,509,301.20

Finding the Fourth Proportional to 6,265,128.40, 9,376,697.40 and 5,509,301.20

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Solution

The fourth proportional to 6,265,128.40, 9,376,697.40 and 5,509,301.20 is: 8,245,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265,128.40 : 9,376,697.40 = 5,509,301.20 : x
  2. Step 2: Convert to fraction form
    6,265,128.40/9,376,697.40 = 5,509,301.20/x
  3. Step 3: Cross multiply
    6,265,128.40x = 9,376,697.40 × 5,509,301.20
  4. Step 4: Simplify right side
    6,265,128.40x = 51,659,050,237,856.88
  5. Step 5: Solve for x
    x = 51,659,050,237,856.88/6,265,128.40
  6. Step 6: Final answer
    x = 8,245,489.47

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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.