Finding the Fourth Proportional to 21,322,880.96, 31,984,296.66 and 6,945,925.68
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Solution
The fourth proportional to 21,322,880.96, 31,984,296.66 and 6,945,925.68 is: 10,418,880.45
Step by Step Solution
- Step 1: Write the proportion equation
21,322,880.96 : 31,984,296.66 = 6,945,925.68 : x - Step 2: Convert to fraction form
21,322,880.96/31,984,296.66 = 6,945,925.68/x - Step 3: Cross multiply
21,322,880.96x = 31,984,296.66 × 6,945,925.68 - Step 4: Simplify right side
21,322,880.96x = 222,160,547,527,432.22 - Step 5: Solve for x
x = 222,160,547,527,432.22/21,322,880.96 - Step 6: Final answer
x = 10,418,880.45
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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.