Home / 13,342,401-18,412,578.99-7,230,829.50

Finding the Fourth Proportional to 13,342,401, 18,412,578.99 and 7,230,829.50

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Solution

The fourth proportional to 13,342,401, 18,412,578.99 and 7,230,829.50 is: 9,978,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,401 : 18,412,578.99 = 7,230,829.50 : x
  2. Step 2: Convert to fraction form
    13,342,401/18,412,578.99 = 7,230,829.50/x
  3. Step 3: Cross multiply
    13,342,401x = 18,412,578.99 × 7,230,829.50
  4. Step 4: Simplify right side
    13,342,401x = 133,138,219,331,972.19
  5. Step 5: Solve for x
    x = 133,138,219,331,972.19/13,342,401
  6. Step 6: Final answer
    x = 9,978,580.27

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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.