Finding the Fourth Proportional to 13,965,319.98, 19,271,839.14 and 8,085,202.08
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Solution
The fourth proportional to 13,965,319.98, 19,271,839.14 and 8,085,202.08 is: 11,157,403.78
Step by Step Solution
- Step 1: Write the proportion equation
13,965,319.98 : 19,271,839.14 = 8,085,202.08 : x - Step 2: Convert to fraction form
13,965,319.98/19,271,839.14 = 8,085,202.08/x - Step 3: Cross multiply
13,965,319.98x = 19,271,839.14 × 8,085,202.08 - Step 4: Simplify right side
13,965,319.98x = 155,816,713,900,153.41 - Step 5: Solve for x
x = 155,816,713,900,153.41/13,965,319.98 - Step 6: Final answer
x = 11,157,403.78
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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.