Finding the Fourth Proportional to 21,706,627.70, 32,597,266.35 and 15,361,411.70
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Solution
The fourth proportional to 21,706,627.70, 32,597,266.35 and 15,361,411.70 is: 23,068,531.68
Step by Step Solution
- Step 1: Write the proportion equation
21,706,627.70 : 32,597,266.35 = 15,361,411.70 : x - Step 2: Convert to fraction form
21,706,627.70/32,597,266.35 = 15,361,411.70/x - Step 3: Cross multiply
21,706,627.70x = 32,597,266.35 × 15,361,411.70 - Step 4: Simplify right side
21,706,627.70x = 500,740,028,696,906.31 - Step 5: Solve for x
x = 500,740,028,696,906.31/21,706,627.70 - Step 6: Final answer
x = 23,068,531.68
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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.