Home / 21,728,004.80-32,595,943.80-10,918,101.20

Finding the Fourth Proportional to 21,728,004.80, 32,595,943.80 and 10,918,101.20

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Solution

The fourth proportional to 21,728,004.80, 32,595,943.80 and 10,918,101.20 is: 16,379,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,004.80 : 32,595,943.80 = 10,918,101.20 : x
  2. Step 2: Convert to fraction form
    21,728,004.80/32,595,943.80 = 10,918,101.20/x
  3. Step 3: Cross multiply
    21,728,004.80x = 32,595,943.80 × 10,918,101.20
  4. Step 4: Simplify right side
    21,728,004.80x = 355,885,813,117,912.56
  5. Step 5: Solve for x
    x = 355,885,813,117,912.56/21,728,004.80
  6. Step 6: Final answer
    x = 16,379,129.90

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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.