Finding the Fourth Proportional to 7,815,058.44, 10,786,075.74 and 5,365,663.80
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Solution
The fourth proportional to 7,815,058.44, 10,786,075.74 and 5,365,663.80 is: 7,405,505.23
Step by Step Solution
- Step 1: Write the proportion equation
7,815,058.44 : 10,786,075.74 = 5,365,663.80 : x - Step 2: Convert to fraction form
7,815,058.44/10,786,075.74 = 5,365,663.80/x - Step 3: Cross multiply
7,815,058.44x = 10,786,075.74 × 5,365,663.80 - Step 4: Simplify right side
7,815,058.44x = 57,874,456,142,176.21 - Step 5: Solve for x
x = 57,874,456,142,176.21/7,815,058.44 - Step 6: Final answer
x = 7,405,505.23
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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.