Finding the Fourth Proportional to 11,787,975.48, 17,681,963.88 and 3,268,312.08
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Solution
The fourth proportional to 11,787,975.48, 17,681,963.88 and 3,268,312.08 is: 4,902,468.30
Step by Step Solution
- Step 1: Write the proportion equation
11,787,975.48 : 17,681,963.88 = 3,268,312.08 : x - Step 2: Convert to fraction form
11,787,975.48/17,681,963.88 = 3,268,312.08/x - Step 3: Cross multiply
11,787,975.48x = 17,681,963.88 × 3,268,312.08 - Step 4: Simplify right side
11,787,975.48x = 57,790,176,147,127.67 - Step 5: Solve for x
x = 57,790,176,147,127.67/11,787,975.48 - Step 6: Final answer
x = 4,902,468.30
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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.