Finding the Fourth Proportional to 20,298,039.24, 30,445,527.75 and 6,464,438.97
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Solution
The fourth proportional to 20,298,039.24, 30,445,527.75 and 6,464,438.97 is: 9,696,170.83
Step by Step Solution
- Step 1: Write the proportion equation
20,298,039.24 : 30,445,527.75 = 6,464,438.97 : x - Step 2: Convert to fraction form
20,298,039.24/30,445,527.75 = 6,464,438.97/x - Step 3: Cross multiply
20,298,039.24x = 30,445,527.75 × 6,464,438.97 - Step 4: Simplify right side
20,298,039.24x = 196,813,256,049,316.41 - Step 5: Solve for x
x = 196,813,256,049,316.41/20,298,039.24 - Step 6: Final answer
x = 9,696,170.83
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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.