Finding the Fourth Proportional to 19,796,872.32, 29,695,323.36 and 5,420,059.20
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Solution
The fourth proportional to 19,796,872.32, 29,695,323.36 and 5,420,059.20 is: 8,130,092.87
Step by Step Solution
- Step 1: Write the proportion equation
19,796,872.32 : 29,695,323.36 = 5,420,059.20 : x - Step 2: Convert to fraction form
19,796,872.32/29,695,323.36 = 5,420,059.20/x - Step 3: Cross multiply
19,796,872.32x = 29,695,323.36 × 5,420,059.20 - Step 4: Simplify right side
19,796,872.32x = 160,950,410,574,342.91 - Step 5: Solve for x
x = 160,950,410,574,342.91/19,796,872.32 - Step 6: Final answer
x = 8,130,092.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.