Finding the Fourth Proportional to 39,677,811.21, 54,752,356.53 and 22,270,793.40
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Solution
The fourth proportional to 39,677,811.21, 54,752,356.53 and 22,270,793.40 is: 30,731,998.14
Step by Step Solution
- Step 1: Write the proportion equation
39,677,811.21 : 54,752,356.53 = 22,270,793.40 : x - Step 2: Convert to fraction form
39,677,811.21/54,752,356.53 = 22,270,793.40/x - Step 3: Cross multiply
39,677,811.21x = 54,752,356.53 × 22,270,793.40 - Step 4: Simplify right side
39,677,811.21x = 1,219,378,420,442,770.75 - Step 5: Solve for x
x = 1,219,378,420,442,770.75/39,677,811.21 - Step 6: Final answer
x = 30,731,998.14
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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.