Finding the Fourth Proportional to 9,165,232.62, 12,648,421.35 and 5,090,851.62
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Solution
The fourth proportional to 9,165,232.62, 12,648,421.35 and 5,090,851.62 is: 7,025,597.60
Step by Step Solution
- Step 1: Write the proportion equation
9,165,232.62 : 12,648,421.35 = 5,090,851.62 : x - Step 2: Convert to fraction form
9,165,232.62/12,648,421.35 = 5,090,851.62/x - Step 3: Cross multiply
9,165,232.62x = 12,648,421.35 × 5,090,851.62 - Step 4: Simplify right side
9,165,232.62x = 64,391,236,320,090.09 - Step 5: Solve for x
x = 64,391,236,320,090.09/9,165,232.62 - Step 6: Final answer
x = 7,025,597.60
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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.