Finding the Fourth Proportional to 39,922,679.40, 55,093,627.80 and 22,041,475.80
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Solution
The fourth proportional to 39,922,679.40, 55,093,627.80 and 22,041,475.80 is: 30,417,418.92
Step by Step Solution
- Step 1: Write the proportion equation
39,922,679.40 : 55,093,627.80 = 22,041,475.80 : x - Step 2: Convert to fraction form
39,922,679.40/55,093,627.80 = 22,041,475.80/x - Step 3: Cross multiply
39,922,679.40x = 55,093,627.80 × 22,041,475.80 - Step 4: Simplify right side
39,922,679.40x = 1,214,344,863,887,907.25 - Step 5: Solve for x
x = 1,214,344,863,887,907.25/39,922,679.40 - Step 6: Final answer
x = 30,417,418.92
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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.