Finding the Fourth Proportional to 13,965,821.04, 19,269,944.61 and 8,163,480.42
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Solution
The fourth proportional to 13,965,821.04, 19,269,944.61 and 8,163,480.42 is: 11,263,914.60
Step by Step Solution
- Step 1: Write the proportion equation
13,965,821.04 : 19,269,944.61 = 8,163,480.42 : x - Step 2: Convert to fraction form
13,965,821.04/19,269,944.61 = 8,163,480.42/x - Step 3: Cross multiply
13,965,821.04x = 19,269,944.61 × 8,163,480.42 - Step 4: Simplify right side
13,965,821.04x = 157,309,815,518,219.53 - Step 5: Solve for x
x = 157,309,815,518,219.53/13,965,821.04 - Step 6: Final answer
x = 11,263,914.60
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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.