Finding the Fourth Proportional to 9,908,340.36, 13,672,416.42 and 5,556,531.12
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Solution
The fourth proportional to 9,908,340.36, 13,672,416.42 and 5,556,531.12 is: 7,667,399.84
Step by Step Solution
- Step 1: Write the proportion equation
9,908,340.36 : 13,672,416.42 = 5,556,531.12 : x - Step 2: Convert to fraction form
9,908,340.36/13,672,416.42 = 5,556,531.12/x - Step 3: Cross multiply
9,908,340.36x = 13,672,416.42 × 5,556,531.12 - Step 4: Simplify right side
9,908,340.36x = 75,971,207,323,328.98 - Step 5: Solve for x
x = 75,971,207,323,328.98/9,908,340.36 - Step 6: Final answer
x = 7,667,399.84
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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.