Finding the Fourth Proportional to 14,791,809.68, 20,412,305.73 and 8,265,492.75
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Solution
The fourth proportional to 14,791,809.68, 20,412,305.73 and 8,265,492.75 is: 11,406,161.16
Step by Step Solution
- Step 1: Write the proportion equation
14,791,809.68 : 20,412,305.73 = 8,265,492.75 : x - Step 2: Convert to fraction form
14,791,809.68/20,412,305.73 = 8,265,492.75/x - Step 3: Cross multiply
14,791,809.68x = 20,412,305.73 × 8,265,492.75 - Step 4: Simplify right side
14,791,809.68x = 168,717,765,022,098.47 - Step 5: Solve for x
x = 168,717,765,022,098.47/14,791,809.68 - Step 6: Final answer
x = 11,406,161.16
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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.