Finding the Fourth Proportional to 14,389,950.30, 21,556,931.85 and 8,693,252.70
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Solution
The fourth proportional to 14,389,950.30, 21,556,931.85 and 8,693,252.70 is: 13,022,967.56
Step by Step Solution
- Step 1: Write the proportion equation
14,389,950.30 : 21,556,931.85 = 8,693,252.70 : x - Step 2: Convert to fraction form
14,389,950.30/21,556,931.85 = 8,693,252.70/x - Step 3: Cross multiply
14,389,950.30x = 21,556,931.85 × 8,693,252.70 - Step 4: Simplify right side
14,389,950.30x = 187,399,856,008,728.50 - Step 5: Solve for x
x = 187,399,856,008,728.50/14,389,950.30 - Step 6: Final answer
x = 13,022,967.56
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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.