Finding the Fourth Proportional to 39,751,639.18, 54,857,347.42 and 22,348,127.42
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Solution
The fourth proportional to 39,751,639.18, 54,857,347.42 and 22,348,127.42 is: 30,840,463.82
Step by Step Solution
- Step 1: Write the proportion equation
39,751,639.18 : 54,857,347.42 = 22,348,127.42 : x - Step 2: Convert to fraction form
39,751,639.18/54,857,347.42 = 22,348,127.42/x - Step 3: Cross multiply
39,751,639.18x = 54,857,347.42 × 22,348,127.42 - Step 4: Simplify right side
39,751,639.18x = 1,225,958,990,065,368.50 - Step 5: Solve for x
x = 1,225,958,990,065,368.50/39,751,639.18 - Step 6: Final answer
x = 30,840,463.82
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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.