Finding the Fourth Proportional to 11,461,727.52, 15,816,561.12 and 6,304,256.64
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Solution
The fourth proportional to 11,461,727.52, 15,816,561.12 and 6,304,256.64 is: 8,699,531.57
Step by Step Solution
- Step 1: Write the proportion equation
11,461,727.52 : 15,816,561.12 = 6,304,256.64 : x - Step 2: Convert to fraction form
11,461,727.52/15,816,561.12 = 6,304,256.64/x - Step 3: Cross multiply
11,461,727.52x = 15,816,561.12 × 6,304,256.64 - Step 4: Simplify right side
11,461,727.52x = 99,711,660,462,725.83 - Step 5: Solve for x
x = 99,711,660,462,725.83/11,461,727.52 - Step 6: Final answer
x = 8,699,531.57
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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.