Home / 21,880,003.20-32,820,004.80-19,360,579.20

Finding the Fourth Proportional to 21,880,003.20, 32,820,004.80 and 19,360,579.20

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Solution

The fourth proportional to 21,880,003.20, 32,820,004.80 and 19,360,579.20 is: 29,040,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,003.20 : 32,820,004.80 = 19,360,579.20 : x
  2. Step 2: Convert to fraction form
    21,880,003.20/32,820,004.80 = 19,360,579.20/x
  3. Step 3: Cross multiply
    21,880,003.20x = 32,820,004.80 × 19,360,579.20
  4. Step 4: Simplify right side
    21,880,003.20x = 635,414,302,274,780.12
  5. Step 5: Solve for x
    x = 635,414,302,274,780.12/21,880,003.20
  6. Step 6: Final answer
    x = 29,040,868.80

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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.