Finding the Fourth Proportional to 7,794,397.72, 11,609,406.84 and 7,444,680.10
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Solution
The fourth proportional to 7,794,397.72, 11,609,406.84 and 7,444,680.10 is: 11,088,518.08
Step by Step Solution
- Step 1: Write the proportion equation
7,794,397.72 : 11,609,406.84 = 7,444,680.10 : x - Step 2: Convert to fraction form
7,794,397.72/11,609,406.84 = 7,444,680.10/x - Step 3: Cross multiply
7,794,397.72x = 11,609,406.84 × 7,444,680.10 - Step 4: Simplify right side
7,794,397.72x = 86,428,320,074,551.88 - Step 5: Solve for x
x = 86,428,320,074,551.88/7,794,397.72 - Step 6: Final answer
x = 11,088,518.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.