Finding the Fourth Proportional to 62,405,689.70, 93,608,534.55 and 28,393,465.70
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Solution
The fourth proportional to 62,405,689.70, 93,608,534.55 and 28,393,465.70 is: 42,590,198.55
Step by Step Solution
- Step 1: Write the proportion equation
62,405,689.70 : 93,608,534.55 = 28,393,465.70 : x - Step 2: Convert to fraction form
62,405,689.70/93,608,534.55 = 28,393,465.70/x - Step 3: Cross multiply
62,405,689.70x = 93,608,534.55 × 28,393,465.70 - Step 4: Simplify right side
62,405,689.70x = 2,657,870,714,972,690 - Step 5: Solve for x
x = 2,657,870,714,972,690/62,405,689.70 - Step 6: Final answer
x = 42,590,198.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.