Home / 21,195,224.80-31,796,984.40-9,064,664.80

Finding the Fourth Proportional to 21,195,224.80, 31,796,984.40 and 9,064,664.80

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Solution

The fourth proportional to 21,195,224.80, 31,796,984.40 and 9,064,664.80 is: 13,598,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195,224.80 : 31,796,984.40 = 9,064,664.80 : x
  2. Step 2: Convert to fraction form
    21,195,224.80/31,796,984.40 = 9,064,664.80/x
  3. Step 3: Cross multiply
    21,195,224.80x = 31,796,984.40 × 9,064,664.80
  4. Step 4: Simplify right side
    21,195,224.80x = 288,229,005,236,829.12
  5. Step 5: Solve for x
    x = 288,229,005,236,829.12/21,195,224.80
  6. Step 6: Final answer
    x = 13,598,770.85

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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.