Finding the Fourth Proportional to 19,796,735.40, 29,695,103.10 and 18,361,844.70
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Solution
The fourth proportional to 19,796,735.40, 29,695,103.10 and 18,361,844.70 is: 27,542,767.05
Step by Step Solution
- Step 1: Write the proportion equation
19,796,735.40 : 29,695,103.10 = 18,361,844.70 : x - Step 2: Convert to fraction form
19,796,735.40/29,695,103.10 = 18,361,844.70/x - Step 3: Cross multiply
19,796,735.40x = 29,695,103.10 × 18,361,844.70 - Step 4: Simplify right side
19,796,735.40x = 545,256,871,472,688.56 - Step 5: Solve for x
x = 545,256,871,472,688.56/19,796,735.40 - Step 6: Final answer
x = 27,542,767.05
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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.