Home / 8,721,679.07-13,082,879.32-2,573,660.78

Finding the Fourth Proportional to 8,721,679.07, 13,082,879.32 and 2,573,660.78

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Solution

The fourth proportional to 8,721,679.07, 13,082,879.32 and 2,573,660.78 is: 3,860,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,679.07 : 13,082,879.32 = 2,573,660.78 : x
  2. Step 2: Convert to fraction form
    8,721,679.07/13,082,879.32 = 2,573,660.78/x
  3. Step 3: Cross multiply
    8,721,679.07x = 13,082,879.32 × 2,573,660.78
  4. Step 4: Simplify right side
    8,721,679.07x = 33,670,893,323,508.52
  5. Step 5: Solve for x
    x = 33,670,893,323,508.52/8,721,679.07
  6. Step 6: Final answer
    x = 3,860,597.61

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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.