Finding the Fourth Proportional to 7,160,523.93, 9,881,564.13 and 3,897,330.88
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Solution
The fourth proportional to 7,160,523.93, 9,881,564.13 and 3,897,330.88 is: 5,378,338.98
Step by Step Solution
- Step 1: Write the proportion equation
7,160,523.93 : 9,881,564.13 = 3,897,330.88 : x - Step 2: Convert to fraction form
7,160,523.93/9,881,564.13 = 3,897,330.88/x - Step 3: Cross multiply
7,160,523.93x = 9,881,564.13 × 3,897,330.88 - Step 4: Simplify right side
7,160,523.93x = 38,511,725,005,009.05 - Step 5: Solve for x
x = 38,511,725,005,009.05/7,160,523.93 - Step 6: Final answer
x = 5,378,338.98
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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.