Finding the Fourth Proportional to 20,847,653.31, 31,265,184.02 and 6,270,703.17
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Solution
The fourth proportional to 20,847,653.31, 31,265,184.02 and 6,270,703.17 is: 9,404,161.02
Step by Step Solution
- Step 1: Write the proportion equation
20,847,653.31 : 31,265,184.02 = 6,270,703.17 : x - Step 2: Convert to fraction form
20,847,653.31/31,265,184.02 = 6,270,703.17/x - Step 3: Cross multiply
20,847,653.31x = 31,265,184.02 × 6,270,703.17 - Step 4: Simplify right side
20,847,653.31x = 196,054,688,544,847.34 - Step 5: Solve for x
x = 196,054,688,544,847.34/20,847,653.31 - Step 6: Final answer
x = 9,404,161.02
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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.