Finding the Fourth Proportional to 10,179,931.44, 15,236,664.84 and 7,483,542.96
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Solution
The fourth proportional to 10,179,931.44, 15,236,664.84 and 7,483,542.96 is: 11,200,884.46
Step by Step Solution
- Step 1: Write the proportion equation
10,179,931.44 : 15,236,664.84 = 7,483,542.96 : x - Step 2: Convert to fraction form
10,179,931.44/15,236,664.84 = 7,483,542.96/x - Step 3: Cross multiply
10,179,931.44x = 15,236,664.84 × 7,483,542.96 - Step 4: Simplify right side
10,179,931.44x = 114,024,235,897,261.53 - Step 5: Solve for x
x = 114,024,235,897,261.53/10,179,931.44 - Step 6: Final answer
x = 11,200,884.46
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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.