Finding the Fourth Proportional to 8,460,991.08, 11,664,890.46 and 6,724,459.08
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Solution
The fourth proportional to 8,460,991.08, 11,664,890.46 and 6,724,459.08 is: 9,270,790.84
Step by Step Solution
- Step 1: Write the proportion equation
8,460,991.08 : 11,664,890.46 = 6,724,459.08 : x - Step 2: Convert to fraction form
8,460,991.08/11,664,890.46 = 6,724,459.08/x - Step 3: Cross multiply
8,460,991.08x = 11,664,890.46 × 6,724,459.08 - Step 4: Simplify right side
8,460,991.08x = 78,440,078,570,952.39 - Step 5: Solve for x
x = 78,440,078,570,952.39/8,460,991.08 - Step 6: Final answer
x = 9,270,790.84
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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.