Finding the Fourth Proportional to 7,160,233.52, 9,881,122.31 and 3,897,071.99
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Solution
The fourth proportional to 7,160,233.52, 9,881,122.31 and 3,897,071.99 is: 5,377,959.37
Step by Step Solution
- Step 1: Write the proportion equation
7,160,233.52 : 9,881,122.31 = 3,897,071.99 : x - Step 2: Convert to fraction form
7,160,233.52/9,881,122.31 = 3,897,071.99/x - Step 3: Cross multiply
7,160,233.52x = 9,881,122.31 × 3,897,071.99 - Step 4: Simplify right side
7,160,233.52x = 38,507,444,915,174.12 - Step 5: Solve for x
x = 38,507,444,915,174.12/7,160,233.52 - Step 6: Final answer
x = 5,377,959.37
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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.