Home / 8,619,845.36-12,931,660.32-2,555,044.88

Finding the Fourth Proportional to 8,619,845.36, 12,931,660.32 and 2,555,044.88

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Solution

The fourth proportional to 8,619,845.36, 12,931,660.32 and 2,555,044.88 is: 3,833,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,845.36 : 12,931,660.32 = 2,555,044.88 : x
  2. Step 2: Convert to fraction form
    8,619,845.36/12,931,660.32 = 2,555,044.88/x
  3. Step 3: Cross multiply
    8,619,845.36x = 12,931,660.32 × 2,555,044.88
  4. Step 4: Simplify right side
    8,619,845.36x = 33,040,972,490,515.16
  5. Step 5: Solve for x
    x = 33,040,972,490,515.16/8,619,845.36
  6. Step 6: Final answer
    x = 3,833,128.22

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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.