Finding the Fourth Proportional to 26,353,364.09, 39,478,562.73 and 18,154,558.04
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Solution
The fourth proportional to 26,353,364.09, 39,478,562.73 and 18,154,558.04 is: 27,196,370.68
Step by Step Solution
- Step 1: Write the proportion equation
26,353,364.09 : 39,478,562.73 = 18,154,558.04 : x - Step 2: Convert to fraction form
26,353,364.09/39,478,562.73 = 18,154,558.04/x - Step 3: Cross multiply
26,353,364.09x = 39,478,562.73 × 18,154,558.04 - Step 4: Simplify right side
26,353,364.09x = 716,715,858,220,173 - Step 5: Solve for x
x = 716,715,858,220,173/26,353,364.09 - Step 6: Final answer
x = 27,196,370.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.