Finding the Fourth Proportional to 21,929,734.26, 32,913,497.07 and 15,202,872.18
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Solution
The fourth proportional to 21,929,734.26, 32,913,497.07 and 15,202,872.18 is: 22,817,407.77
Step by Step Solution
- Step 1: Write the proportion equation
21,929,734.26 : 32,913,497.07 = 15,202,872.18 : x - Step 2: Convert to fraction form
21,929,734.26/32,913,497.07 = 15,202,872.18/x - Step 3: Cross multiply
21,929,734.26x = 32,913,497.07 × 15,202,872.18 - Step 4: Simplify right side
21,929,734.26x = 500,379,688,952,014.50 - Step 5: Solve for x
x = 500,379,688,952,014.50/21,929,734.26 - Step 6: Final answer
x = 22,817,407.77
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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.