Home / 21,021,796.80-31,537,360.80-9,659,505.60

Finding the Fourth Proportional to 21,021,796.80, 31,537,360.80 and 9,659,505.60

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Solution

The fourth proportional to 21,021,796.80, 31,537,360.80 and 9,659,505.60 is: 14,491,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,796.80 : 31,537,360.80 = 9,659,505.60 : x
  2. Step 2: Convert to fraction form
    21,021,796.80/31,537,360.80 = 9,659,505.60/x
  3. Step 3: Cross multiply
    21,021,796.80x = 31,537,360.80 × 9,659,505.60
  4. Step 4: Simplify right side
    21,021,796.80x = 304,635,313,256,820.50
  5. Step 5: Solve for x
    x = 304,635,313,256,820.50/21,021,796.80
  6. Step 6: Final answer
    x = 14,491,402.24

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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.