Finding the Fourth Proportional to 14,480,464.64, 19,981,875.84 and 8,369,288.96
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Solution
The fourth proportional to 14,480,464.64, 19,981,875.84 and 8,369,288.96 is: 11,548,945.22
Step by Step Solution
- Step 1: Write the proportion equation
14,480,464.64 : 19,981,875.84 = 8,369,288.96 : x - Step 2: Convert to fraction form
14,480,464.64/19,981,875.84 = 8,369,288.96/x - Step 3: Cross multiply
14,480,464.64x = 19,981,875.84 × 8,369,288.96 - Step 4: Simplify right side
14,480,464.64x = 167,234,092,867,802.72 - Step 5: Solve for x
x = 167,234,092,867,802.72/14,480,464.64 - Step 6: Final answer
x = 11,548,945.22
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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.