Home / 28,821,758.83-39,770,099.10-17,216,858.86

Finding the Fourth Proportional to 28,821,758.83, 39,770,099.10 and 17,216,858.86

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Solution

The fourth proportional to 28,821,758.83, 39,770,099.10 and 17,216,858.86 is: 23,756,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,758.83 : 39,770,099.10 = 17,216,858.86 : x
  2. Step 2: Convert to fraction form
    28,821,758.83/39,770,099.10 = 17,216,858.86/x
  3. Step 3: Cross multiply
    28,821,758.83x = 39,770,099.10 × 17,216,858.86
  4. Step 4: Simplify right side
    28,821,758.83x = 684,716,182,953,487.88
  5. Step 5: Solve for x
    x = 684,716,182,953,487.88/28,821,758.83
  6. Step 6: Final answer
    x = 23,756,918.76

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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.