Home / 13,768,401.60-20,668,512.83-7,391,109.60

Finding the Fourth Proportional to 13,768,401.60, 20,668,512.83 and 7,391,109.60

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Solution

The fourth proportional to 13,768,401.60, 20,668,512.83 and 7,391,109.60 is: 11,095,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,401.60 : 20,668,512.83 = 7,391,109.60 : x
  2. Step 2: Convert to fraction form
    13,768,401.60/20,668,512.83 = 7,391,109.60/x
  3. Step 3: Cross multiply
    13,768,401.60x = 20,668,512.83 × 7,391,109.60
  4. Step 4: Simplify right side
    13,768,401.60x = 152,763,243,558,580.59
  5. Step 5: Solve for x
    x = 152,763,243,558,580.59/13,768,401.60
  6. Step 6: Final answer
    x = 11,095,205.38

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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.