Finding the Fourth Proportional to 21,409,173.84, 29,544,689.07 and 11,619,618.15
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Solution
The fourth proportional to 21,409,173.84, 29,544,689.07 and 11,619,618.15 is: 16,035,088.88
Step by Step Solution
- Step 1: Write the proportion equation
21,409,173.84 : 29,544,689.07 = 11,619,618.15 : x - Step 2: Convert to fraction form
21,409,173.84/29,544,689.07 = 11,619,618.15/x - Step 3: Cross multiply
21,409,173.84x = 29,544,689.07 × 11,619,618.15 - Step 4: Simplify right side
21,409,173.84x = 343,298,005,353,878.62 - Step 5: Solve for x
x = 343,298,005,353,878.62/21,409,173.84 - Step 6: Final answer
x = 16,035,088.88
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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.