Home / 12,598,911-17,391,871.44-8,471,334.60

Finding the Fourth Proportional to 12,598,911, 17,391,871.44 and 8,471,334.60

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Solution

The fourth proportional to 12,598,911, 17,391,871.44 and 8,471,334.60 is: 11,694,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598,911 : 17,391,871.44 = 8,471,334.60 : x
  2. Step 2: Convert to fraction form
    12,598,911/17,391,871.44 = 8,471,334.60/x
  3. Step 3: Cross multiply
    12,598,911x = 17,391,871.44 × 8,471,334.60
  4. Step 4: Simplify right side
    12,598,911x = 147,332,362,288,423.84
  5. Step 5: Solve for x
    x = 147,332,362,288,423.84/12,598,911
  6. Step 6: Final answer
    x = 11,694,055.33

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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.