Finding the Fourth Proportional to 10,561,385.22, 14,574,207.68 and 6,486,216.90
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Solution
The fourth proportional to 10,561,385.22, 14,574,207.68 and 6,486,216.90 is: 8,950,669.84
Step by Step Solution
- Step 1: Write the proportion equation
10,561,385.22 : 14,574,207.68 = 6,486,216.90 : x - Step 2: Convert to fraction form
10,561,385.22/14,574,207.68 = 6,486,216.90/x - Step 3: Cross multiply
10,561,385.22x = 14,574,207.68 × 6,486,216.90 - Step 4: Simplify right side
10,561,385.22x = 94,531,472,158,125.80 - Step 5: Solve for x
x = 94,531,472,158,125.80/10,561,385.22 - Step 6: Final answer
x = 8,950,669.84
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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.