Home / 21,315,584.16-31,961,137.37-8,346,550.30

Finding the Fourth Proportional to 21,315,584.16, 31,961,137.37 and 8,346,550.30

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Solution

The fourth proportional to 21,315,584.16, 31,961,137.37 and 8,346,550.30 is: 12,515,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,584.16 : 31,961,137.37 = 8,346,550.30 : x
  2. Step 2: Convert to fraction form
    21,315,584.16/31,961,137.37 = 8,346,550.30/x
  3. Step 3: Cross multiply
    21,315,584.16x = 31,961,137.37 × 8,346,550.30
  4. Step 4: Simplify right side
    21,315,584.16x = 266,765,240,582,279.12
  5. Step 5: Solve for x
    x = 266,765,240,582,279.12/21,315,584.16
  6. Step 6: Final answer
    x = 12,515,033.07

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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.