Home / 13,781,647.13-20,670,894.83-3,685,055.45

Finding the Fourth Proportional to 13,781,647.13, 20,670,894.83 and 3,685,055.45

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Solution

The fourth proportional to 13,781,647.13, 20,670,894.83 and 3,685,055.45 is: 5,527,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,647.13 : 20,670,894.83 = 3,685,055.45 : x
  2. Step 2: Convert to fraction form
    13,781,647.13/20,670,894.83 = 3,685,055.45/x
  3. Step 3: Cross multiply
    13,781,647.13x = 20,670,894.83 × 3,685,055.45
  4. Step 4: Simplify right side
    13,781,647.13x = 76,173,393,555,526.48
  5. Step 5: Solve for x
    x = 76,173,393,555,526.48/13,781,647.13
  6. Step 6: Final answer
    x = 5,527,161.80

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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.