Finding the Fourth Proportional to 15,917,241.84, 21,965,147.64 and 9,732,706.08
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Solution
The fourth proportional to 15,917,241.84, 21,965,147.64 and 9,732,706.08 is: 13,430,739.33
Step by Step Solution
- Step 1: Write the proportion equation
15,917,241.84 : 21,965,147.64 = 9,732,706.08 : x - Step 2: Convert to fraction form
15,917,241.84/21,965,147.64 = 9,732,706.08/x - Step 3: Cross multiply
15,917,241.84x = 21,965,147.64 × 9,732,706.08 - Step 4: Simplify right side
15,917,241.84x = 213,780,325,983,925.66 - Step 5: Solve for x
x = 213,780,325,983,925.66/15,917,241.84 - Step 6: Final answer
x = 13,430,739.33
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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.