Finding the Fourth Proportional to 13,236,364.06, 19,855,689.70 and 3,651,742.60
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Solution
The fourth proportional to 13,236,364.06, 19,855,689.70 and 3,651,742.60 is: 5,477,929.41
Step by Step Solution
- Step 1: Write the proportion equation
13,236,364.06 : 19,855,689.70 = 3,651,742.60 : x - Step 2: Convert to fraction form
13,236,364.06/19,855,689.70 = 3,651,742.60/x - Step 3: Cross multiply
13,236,364.06x = 19,855,689.70 × 3,651,742.60 - Step 4: Simplify right side
13,236,364.06x = 72,507,867,929,871.22 - Step 5: Solve for x
x = 72,507,867,929,871.22/13,236,364.06 - Step 6: Final answer
x = 5,477,929.41
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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.