Finding the Fourth Proportional to 10,531,918.68, 15,797,878.01 and 7,283,236.47
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Solution
The fourth proportional to 10,531,918.68, 15,797,878.01 and 7,283,236.47 is: 10,924,854.69
Step by Step Solution
- Step 1: Write the proportion equation
10,531,918.68 : 15,797,878.01 = 7,283,236.47 : x - Step 2: Convert to fraction form
10,531,918.68/15,797,878.01 = 7,283,236.47/x - Step 3: Cross multiply
10,531,918.68x = 15,797,878.01 × 7,283,236.47 - Step 4: Simplify right side
10,531,918.68x = 115,059,681,234,626.84 - Step 5: Solve for x
x = 115,059,681,234,626.84/10,531,918.68 - Step 6: Final answer
x = 10,924,854.69
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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.