Finding the Fourth Proportional to 10,192,848.75, 14,066,133.56 and 5,609,170.12
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Solution
The fourth proportional to 10,192,848.75, 14,066,133.56 and 5,609,170.12 is: 7,740,656.02
Step by Step Solution
- Step 1: Write the proportion equation
10,192,848.75 : 14,066,133.56 = 5,609,170.12 : x - Step 2: Convert to fraction form
10,192,848.75/14,066,133.56 = 5,609,170.12/x - Step 3: Cross multiply
10,192,848.75x = 14,066,133.56 × 5,609,170.12 - Step 4: Simplify right side
10,192,848.75x = 78,899,336,068,681.23 - Step 5: Solve for x
x = 78,899,336,068,681.23/10,192,848.75 - Step 6: Final answer
x = 7,740,656.02
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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.