Finding the Fourth Proportional to 7,223,420.60, 10,831,631.70 and 4,025,151.80
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Solution
The fourth proportional to 7,223,420.60, 10,831,631.70 and 4,025,151.80 is: 6,035,777.82
Step by Step Solution
- Step 1: Write the proportion equation
7,223,420.60 : 10,831,631.70 = 4,025,151.80 : x - Step 2: Convert to fraction form
7,223,420.60/10,831,631.70 = 4,025,151.80/x - Step 3: Cross multiply
7,223,420.60x = 10,831,631.70 × 4,025,151.80 - Step 4: Simplify right side
7,223,420.60x = 43,598,961,834,192.05 - Step 5: Solve for x
x = 43,598,961,834,192.05/7,223,420.60 - Step 6: Final answer
x = 6,035,777.82
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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.