Finding the Fourth Proportional to 19,240,439.22, 28,859,958.99 and 5,776,917.30
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Solution
The fourth proportional to 19,240,439.22, 28,859,958.99 and 5,776,917.30 is: 8,665,165.82
Step by Step Solution
- Step 1: Write the proportion equation
19,240,439.22 : 28,859,958.99 = 5,776,917.30 : x - Step 2: Convert to fraction form
19,240,439.22/28,859,958.99 = 5,776,917.30/x - Step 3: Cross multiply
19,240,439.22x = 28,859,958.99 × 5,776,917.30 - Step 4: Simplify right side
19,240,439.22x = 166,721,596,366,621.50 - Step 5: Solve for x
x = 166,721,596,366,621.50/19,240,439.22 - Step 6: Final answer
x = 8,665,165.82
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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.