Finding the Fourth Proportional to 7,708,175.20, 11,557,654.80 and 4,718,504.80
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Solution
The fourth proportional to 7,708,175.20, 11,557,654.80 and 4,718,504.80 is: 7,074,936.45
Step by Step Solution
- Step 1: Write the proportion equation
7,708,175.20 : 11,557,654.80 = 4,718,504.80 : x - Step 2: Convert to fraction form
7,708,175.20/11,557,654.80 = 4,718,504.80/x - Step 3: Cross multiply
7,708,175.20x = 11,557,654.80 × 4,718,504.80 - Step 4: Simplify right side
7,708,175.20x = 54,534,849,650,543.04 - Step 5: Solve for x
x = 54,534,849,650,543.04/7,708,175.20 - Step 6: Final answer
x = 7,074,936.45
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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.