Home / 20,407,410.32-30,600,485.40-7,617,396.56

Finding the Fourth Proportional to 20,407,410.32, 30,600,485.40 and 7,617,396.56

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Solution

The fourth proportional to 20,407,410.32, 30,600,485.40 and 7,617,396.56 is: 11,422,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407,410.32 : 30,600,485.40 = 7,617,396.56 : x
  2. Step 2: Convert to fraction form
    20,407,410.32/30,600,485.40 = 7,617,396.56/x
  3. Step 3: Cross multiply
    20,407,410.32x = 30,600,485.40 × 7,617,396.56
  4. Step 4: Simplify right side
    20,407,410.32x = 233,096,032,220,290.19
  5. Step 5: Solve for x
    x = 233,096,032,220,290.19/20,407,410.32
  6. Step 6: Final answer
    x = 11,422,126.99

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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.