Home / 21,599,131.02-29,806,803.60-11,809,581.96

Finding the Fourth Proportional to 21,599,131.02, 29,806,803.60 and 11,809,581.96

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Solution

The fourth proportional to 21,599,131.02, 29,806,803.60 and 11,809,581.96 is: 16,297,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599,131.02 : 29,806,803.60 = 11,809,581.96 : x
  2. Step 2: Convert to fraction form
    21,599,131.02/29,806,803.60 = 11,809,581.96/x
  3. Step 3: Cross multiply
    21,599,131.02x = 29,806,803.60 × 11,809,581.96
  4. Step 4: Simplify right side
    21,599,131.02x = 352,005,890,079,823.12
  5. Step 5: Solve for x
    x = 352,005,890,079,823.12/21,599,131.02
  6. Step 6: Final answer
    x = 16,297,224.63

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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.