Finding the Fourth Proportional to 9,771,431.40, 14,650,148.70 and 4,088,730.60
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Solution
The fourth proportional to 9,771,431.40, 14,650,148.70 and 4,088,730.60 is: 6,130,167.51
Step by Step Solution
- Step 1: Write the proportion equation
9,771,431.40 : 14,650,148.70 = 4,088,730.60 : x - Step 2: Convert to fraction form
9,771,431.40/14,650,148.70 = 4,088,730.60/x - Step 3: Cross multiply
9,771,431.40x = 14,650,148.70 × 4,088,730.60 - Step 4: Simplify right side
9,771,431.40x = 59,900,511,284,240.22 - Step 5: Solve for x
x = 59,900,511,284,240.22/9,771,431.40 - Step 6: Final answer
x = 6,130,167.51
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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.