Finding the Fourth Proportional to 19,393,407.69, 29,081,357.38 and 5,557,201.69
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Solution
The fourth proportional to 19,393,407.69, 29,081,357.38 and 5,557,201.69 is: 8,333,294.02
Step by Step Solution
- Step 1: Write the proportion equation
19,393,407.69 : 29,081,357.38 = 5,557,201.69 : x - Step 2: Convert to fraction form
19,393,407.69/29,081,357.38 = 5,557,201.69/x - Step 3: Cross multiply
19,393,407.69x = 29,081,357.38 × 5,557,201.69 - Step 4: Simplify right side
19,393,407.69x = 161,610,968,279,140.56 - Step 5: Solve for x
x = 161,610,968,279,140.56/19,393,407.69 - Step 6: Final answer
x = 8,333,294.02
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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.