Finding the Fourth Proportional to 16,163,474.22, 22,306,114.92 and 9,193,973.10
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Solution
The fourth proportional to 16,163,474.22, 22,306,114.92 and 9,193,973.10 is: 12,687,978.94
Step by Step Solution
- Step 1: Write the proportion equation
16,163,474.22 : 22,306,114.92 = 9,193,973.10 : x - Step 2: Convert to fraction form
16,163,474.22/22,306,114.92 = 9,193,973.10/x - Step 3: Cross multiply
16,163,474.22x = 22,306,114.92 × 9,193,973.10 - Step 4: Simplify right side
16,163,474.22x = 205,081,820,539,988.66 - Step 5: Solve for x
x = 205,081,820,539,988.66/16,163,474.22 - Step 6: Final answer
x = 12,687,978.94
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1.5x scale
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.