Finding the Fourth Proportional to 49,831,754.40, 74,733,634.80 and 15,763,543.20
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Solution
The fourth proportional to 49,831,754.40, 74,733,634.80 and 15,763,543.20 is: 23,640,887.12
Step by Step Solution
- Step 1: Write the proportion equation
49,831,754.40 : 74,733,634.80 = 15,763,543.20 : x - Step 2: Convert to fraction form
49,831,754.40/74,733,634.80 = 15,763,543.20/x - Step 3: Cross multiply
49,831,754.40x = 74,733,634.80 × 15,763,543.20 - Step 4: Simplify right side
49,831,754.40x = 1,178,066,880,662,823.25 - Step 5: Solve for x
x = 1,178,066,880,662,823.25/49,831,754.40 - Step 6: Final answer
x = 23,640,887.12
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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.