Finding the Fourth Proportional to 8,181,363.96, 11,289,991.61 and 4,460,118.05
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Solution
The fourth proportional to 8,181,363.96, 11,289,991.61 and 4,460,118.05 is: 6,154,804.46
Step by Step Solution
- Step 1: Write the proportion equation
8,181,363.96 : 11,289,991.61 = 4,460,118.05 : x - Step 2: Convert to fraction form
8,181,363.96/11,289,991.61 = 4,460,118.05/x - Step 3: Cross multiply
8,181,363.96x = 11,289,991.61 × 4,460,118.05 - Step 4: Simplify right side
8,181,363.96x = 50,354,695,403,484.84 - Step 5: Solve for x
x = 50,354,695,403,484.84/8,181,363.96 - Step 6: Final answer
x = 6,154,804.46
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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.