Home / 30,380,142.48-41,924,647.43-16,441,509.94

Finding the Fourth Proportional to 30,380,142.48, 41,924,647.43 and 16,441,509.94

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Solution

The fourth proportional to 30,380,142.48, 41,924,647.43 and 16,441,509.94 is: 22,689,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380,142.48 : 41,924,647.43 = 16,441,509.94 : x
  2. Step 2: Convert to fraction form
    30,380,142.48/41,924,647.43 = 16,441,509.94/x
  3. Step 3: Cross multiply
    30,380,142.48x = 41,924,647.43 × 16,441,509.94
  4. Step 4: Simplify right side
    30,380,142.48x = 689,304,507,325,977
  5. Step 5: Solve for x
    x = 689,304,507,325,977/30,380,142.48
  6. Step 6: Final answer
    x = 22,689,311.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.