Finding the Fourth Proportional to 8,862,581.44, 12,230,371.04 and 4,788,203.68
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Solution
The fourth proportional to 8,862,581.44, 12,230,371.04 and 4,788,203.68 is: 6,607,725.75
Step by Step Solution
- Step 1: Write the proportion equation
8,862,581.44 : 12,230,371.04 = 4,788,203.68 : x - Step 2: Convert to fraction form
8,862,581.44/12,230,371.04 = 4,788,203.68/x - Step 3: Cross multiply
8,862,581.44x = 12,230,371.04 × 4,788,203.68 - Step 4: Simplify right side
8,862,581.44x = 58,561,507,621,493.42 - Step 5: Solve for x
x = 58,561,507,621,493.42/8,862,581.44 - Step 6: Final answer
x = 6,607,725.75
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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.