Home / 28,370,944.36-39,149,690.34-16,766,301.16

Finding the Fourth Proportional to 28,370,944.36, 39,149,690.34 and 16,766,301.16

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Solution

The fourth proportional to 28,370,944.36, 39,149,690.34 and 16,766,301.16 is: 23,136,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370,944.36 : 39,149,690.34 = 16,766,301.16 : x
  2. Step 2: Convert to fraction form
    28,370,944.36/39,149,690.34 = 16,766,301.16/x
  3. Step 3: Cross multiply
    28,370,944.36x = 39,149,690.34 × 16,766,301.16
  4. Step 4: Simplify right side
    28,370,944.36x = 656,395,498,561,182.88
  5. Step 5: Solve for x
    x = 656,395,498,561,182.88/28,370,944.36
  6. Step 6: Final answer
    x = 23,136,187.86

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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.