Finding the Fourth Proportional to 14,269,837.68, 19,686,770.28 and 8,154,985.68
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Solution
The fourth proportional to 14,269,837.68, 19,686,770.28 and 8,154,985.68 is: 11,250,676.66
Step by Step Solution
- Step 1: Write the proportion equation
14,269,837.68 : 19,686,770.28 = 8,154,985.68 : x - Step 2: Convert to fraction form
14,269,837.68/19,686,770.28 = 8,154,985.68/x - Step 3: Cross multiply
14,269,837.68x = 19,686,770.28 × 8,154,985.68 - Step 4: Simplify right side
14,269,837.68x = 160,545,329,718,849.59 - Step 5: Solve for x
x = 160,545,329,718,849.59/14,269,837.68 - Step 6: Final answer
x = 11,250,676.66
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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.