Finding the Fourth Proportional to 7,998,356.81, 11,038,016.34 and 4,514,543.98
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Solution
The fourth proportional to 7,998,356.81, 11,038,016.34 and 4,514,543.98 is: 6,230,230.95
Step by Step Solution
- Step 1: Write the proportion equation
7,998,356.81 : 11,038,016.34 = 4,514,543.98 : x - Step 2: Convert to fraction form
7,998,356.81/11,038,016.34 = 4,514,543.98/x - Step 3: Cross multiply
7,998,356.81x = 11,038,016.34 × 4,514,543.98 - Step 4: Simplify right side
7,998,356.81x = 49,831,610,163,698.55 - Step 5: Solve for x
x = 49,831,610,163,698.55/7,998,356.81 - Step 6: Final answer
x = 6,230,230.95
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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.