Finding the Fourth Proportional to 9,864,877.08, 13,613,817.18 and 5,394,694.92
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Solution
The fourth proportional to 9,864,877.08, 13,613,817.18 and 5,394,694.92 is: 7,444,835.83
Step by Step Solution
- Step 1: Write the proportion equation
9,864,877.08 : 13,613,817.18 = 5,394,694.92 : x - Step 2: Convert to fraction form
9,864,877.08/13,613,817.18 = 5,394,694.92/x - Step 3: Cross multiply
9,864,877.08x = 13,613,817.18 × 5,394,694.92 - Step 4: Simplify right side
9,864,877.08x = 73,442,390,382,754.72 - Step 5: Solve for x
x = 73,442,390,382,754.72/9,864,877.08 - Step 6: Final answer
x = 7,444,835.83
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1.5x scale
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.