Finding the Fourth Proportional to 19,973,270.20, 29,896,919.70 and 19,343,414.20
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Solution
The fourth proportional to 19,973,270.20, 29,896,919.70 and 19,343,414.20 is: 28,954,121.95
Step by Step Solution
- Step 1: Write the proportion equation
19,973,270.20 : 29,896,919.70 = 19,343,414.20 : x - Step 2: Convert to fraction form
19,973,270.20/29,896,919.70 = 19,343,414.20/x - Step 3: Cross multiply
19,973,270.20x = 29,896,919.70 × 19,343,414.20 - Step 4: Simplify right side
19,973,270.20x = 578,308,501,061,239.75 - Step 5: Solve for x
x = 578,308,501,061,239.75/19,973,270.20 - Step 6: Final answer
x = 28,954,121.95
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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.