Finding the Fourth Proportional to 14,613,990.64, 20,167,345.38 and 8,088,070.12
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Solution
The fourth proportional to 14,613,990.64, 20,167,345.38 and 8,088,070.12 is: 11,161,557.96
Step by Step Solution
- Step 1: Write the proportion equation
14,613,990.64 : 20,167,345.38 = 8,088,070.12 : x - Step 2: Convert to fraction form
14,613,990.64/20,167,345.38 = 8,088,070.12/x - Step 3: Cross multiply
14,613,990.64x = 20,167,345.38 × 8,088,070.12 - Step 4: Simplify right side
14,613,990.64x = 163,114,903,567,698.03 - Step 5: Solve for x
x = 163,114,903,567,698.03/14,613,990.64 - Step 6: Final answer
x = 11,161,557.96
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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.