Finding the Fourth Proportional to 14,318,698.46, 19,760,252.08 and 8,124,006.32
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Solution
The fourth proportional to 14,318,698.46, 19,760,252.08 and 8,124,006.32 is: 11,211,383.02
Step by Step Solution
- Step 1: Write the proportion equation
14,318,698.46 : 19,760,252.08 = 8,124,006.32 : x - Step 2: Convert to fraction form
14,318,698.46/19,760,252.08 = 8,124,006.32/x - Step 3: Cross multiply
14,318,698.46x = 19,760,252.08 × 8,124,006.32 - Step 4: Simplify right side
14,318,698.46x = 160,532,412,782,713.12 - Step 5: Solve for x
x = 160,532,412,782,713.12/14,318,698.46 - Step 6: Final answer
x = 11,211,383.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.