Home / 10,124,940.72-15,188,988.75-3,299,930.49

Finding the Fourth Proportional to 10,124,940.72, 15,188,988.75 and 3,299,930.49

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Solution

The fourth proportional to 10,124,940.72, 15,188,988.75 and 3,299,930.49 is: 4,950,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124,940.72 : 15,188,988.75 = 3,299,930.49 : x
  2. Step 2: Convert to fraction form
    10,124,940.72/15,188,988.75 = 3,299,930.49/x
  3. Step 3: Cross multiply
    10,124,940.72x = 15,188,988.75 × 3,299,930.49
  4. Step 4: Simplify right side
    10,124,940.72x = 50,122,607,088,391.99
  5. Step 5: Solve for x
    x = 50,122,607,088,391.99/10,124,940.72
  6. Step 6: Final answer
    x = 4,950,409.93

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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.