Home / 13,552,261.20-20,328,653.70-3,317,210.55

Finding the Fourth Proportional to 13,552,261.20, 20,328,653.70 and 3,317,210.55

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Solution

The fourth proportional to 13,552,261.20, 20,328,653.70 and 3,317,210.55 is: 4,975,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552,261.20 : 20,328,653.70 = 3,317,210.55 : x
  2. Step 2: Convert to fraction form
    13,552,261.20/20,328,653.70 = 3,317,210.55/x
  3. Step 3: Cross multiply
    13,552,261.20x = 20,328,653.70 × 3,317,210.55
  4. Step 4: Simplify right side
    13,552,261.20x = 67,434,424,520,936.53
  5. Step 5: Solve for x
    x = 67,434,424,520,936.53/13,552,261.20
  6. Step 6: Final answer
    x = 4,975,879.93

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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.