Home / 28,960,686.54-39,961,415.80-16,568,811.63

Finding the Fourth Proportional to 28,960,686.54, 39,961,415.80 and 16,568,811.63

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Solution

The fourth proportional to 28,960,686.54, 39,961,415.80 and 16,568,811.63 is: 22,862,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,686.54 : 39,961,415.80 = 16,568,811.63 : x
  2. Step 2: Convert to fraction form
    28,960,686.54/39,961,415.80 = 16,568,811.63/x
  3. Step 3: Cross multiply
    28,960,686.54x = 39,961,415.80 × 16,568,811.63
  4. Step 4: Simplify right side
    28,960,686.54x = 662,113,170,858,305.75
  5. Step 5: Solve for x
    x = 662,113,170,858,305.75/28,960,686.54
  6. Step 6: Final answer
    x = 22,862,481.87

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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.