Finding the Fourth Proportional to 25,798,579.19, 38,703,467.51 and 7,847,216.63
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Solution
The fourth proportional to 25,798,579.19, 38,703,467.51 and 7,847,216.63 is: 11,772,527.92
Step by Step Solution
- Step 1: Write the proportion equation
25,798,579.19 : 38,703,467.51 = 7,847,216.63 : x - Step 2: Convert to fraction form
25,798,579.19/38,703,467.51 = 7,847,216.63/x - Step 3: Cross multiply
25,798,579.19x = 38,703,467.51 × 7,847,216.63 - Step 4: Simplify right side
25,798,579.19x = 303,714,493,650,383.31 - Step 5: Solve for x
x = 303,714,493,650,383.31/25,798,579.19 - Step 6: Final answer
x = 11,772,527.92
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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.