Home / 19,786,564.80-29,679,847.20-7,008,361.20

Finding the Fourth Proportional to 19,786,564.80, 29,679,847.20 and 7,008,361.20

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Solution

The fourth proportional to 19,786,564.80, 29,679,847.20 and 7,008,361.20 is: 10,512,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786,564.80 : 29,679,847.20 = 7,008,361.20 : x
  2. Step 2: Convert to fraction form
    19,786,564.80/29,679,847.20 = 7,008,361.20/x
  3. Step 3: Cross multiply
    19,786,564.80x = 29,679,847.20 × 7,008,361.20
  4. Step 4: Simplify right side
    19,786,564.80x = 208,007,089,538,408.62
  5. Step 5: Solve for x
    x = 208,007,089,538,408.62/19,786,564.80
  6. Step 6: Final answer
    x = 10,512,541.80

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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.