Finding the Fourth Proportional to 52,831,213.25, 79,246,032.08 and 18,312,742.49
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Solution
The fourth proportional to 52,831,213.25, 79,246,032.08 and 18,312,742.49 is: 27,468,840.66
Step by Step Solution
- Step 1: Write the proportion equation
52,831,213.25 : 79,246,032.08 = 18,312,742.49 : x - Step 2: Convert to fraction form
52,831,213.25/79,246,032.08 = 18,312,742.49/x - Step 3: Cross multiply
52,831,213.25x = 79,246,032.08 × 18,312,742.49 - Step 4: Simplify right side
52,831,213.25x = 1,451,212,178,347,525.25 - Step 5: Solve for x
x = 1,451,212,178,347,525.25/52,831,213.25 - Step 6: Final answer
x = 27,468,840.66
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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.