Home / 21,550,196.21-29,739,900.67-11,761,268.65

Finding the Fourth Proportional to 21,550,196.21, 29,739,900.67 and 11,761,268.65

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Solution

The fourth proportional to 21,550,196.21, 29,739,900.67 and 11,761,268.65 is: 16,230,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,196.21 : 29,739,900.67 = 11,761,268.65 : x
  2. Step 2: Convert to fraction form
    21,550,196.21/29,739,900.67 = 11,761,268.65/x
  3. Step 3: Cross multiply
    21,550,196.21x = 29,739,900.67 × 11,761,268.65
  4. Step 4: Simplify right side
    21,550,196.21x = 349,778,961,300,432.12
  5. Step 5: Solve for x
    x = 349,778,961,300,432.12/21,550,196.21
  6. Step 6: Final answer
    x = 16,230,894.51

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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.