Finding the Fourth Proportional to 7,015,534.74, 9,681,169.14 and 4,403,436.48
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Solution
The fourth proportional to 7,015,534.74, 9,681,169.14 and 4,403,436.48 is: 6,076,573.62
Step by Step Solution
- Step 1: Write the proportion equation
7,015,534.74 : 9,681,169.14 = 4,403,436.48 : x - Step 2: Convert to fraction form
7,015,534.74/9,681,169.14 = 4,403,436.48/x - Step 3: Cross multiply
7,015,534.74x = 9,681,169.14 × 4,403,436.48 - Step 4: Simplify right side
7,015,534.74x = 42,630,413,360,126.23 - Step 5: Solve for x
x = 42,630,413,360,126.23/7,015,534.74 - Step 6: Final answer
x = 6,076,573.62
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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.