Finding the Fourth Proportional to 32,081,685.40, 48,122,528.10 and 28,554,491.80
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Solution
The fourth proportional to 32,081,685.40, 48,122,528.10 and 28,554,491.80 is: 42,831,737.70
Step by Step Solution
- Step 1: Write the proportion equation
32,081,685.40 : 48,122,528.10 = 28,554,491.80 : x - Step 2: Convert to fraction form
32,081,685.40/48,122,528.10 = 28,554,491.80/x - Step 3: Cross multiply
32,081,685.40x = 48,122,528.10 × 28,554,491.80 - Step 4: Simplify right side
32,081,685.40x = 1,374,114,334,026,719.75 - Step 5: Solve for x
x = 1,374,114,334,026,719.75/32,081,685.40 - Step 6: Final answer
x = 42,831,737.70
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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.