Finding the Fourth Proportional to 16,557,372.77, 22,849,927.11 and 9,215,676.33
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Solution
The fourth proportional to 16,557,372.77, 22,849,927.11 and 9,215,676.33 is: 12,718,052.28
Step by Step Solution
- Step 1: Write the proportion equation
16,557,372.77 : 22,849,927.11 = 9,215,676.33 : x - Step 2: Convert to fraction form
16,557,372.77/22,849,927.11 = 9,215,676.33/x - Step 3: Cross multiply
16,557,372.77x = 22,849,927.11 × 9,215,676.33 - Step 4: Simplify right side
16,557,372.77x = 210,577,532,409,852.31 - Step 5: Solve for x
x = 210,577,532,409,852.31/16,557,372.77 - Step 6: Final answer
x = 12,718,052.28
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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.