Finding the Fourth Proportional to 14,705,355.24, 20,291,968.62 and 8,509,165.98
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Solution
The fourth proportional to 14,705,355.24, 20,291,968.62 and 8,509,165.98 is: 11,741,826.45
Step by Step Solution
- Step 1: Write the proportion equation
14,705,355.24 : 20,291,968.62 = 8,509,165.98 : x - Step 2: Convert to fraction form
14,705,355.24/20,291,968.62 = 8,509,165.98/x - Step 3: Cross multiply
14,705,355.24x = 20,291,968.62 × 8,509,165.98 - Step 4: Simplify right side
14,705,355.24x = 172,667,729,048,531.56 - Step 5: Solve for x
x = 172,667,729,048,531.56/14,705,355.24 - Step 6: Final answer
x = 11,741,826.45
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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.