Finding the Fourth Proportional to 19,752,906.62, 27,253,754.43 and 13,559,847.50
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Solution
The fourth proportional to 19,752,906.62, 27,253,754.43 and 13,559,847.50 is: 18,708,980.96
Step by Step Solution
- Step 1: Write the proportion equation
19,752,906.62 : 27,253,754.43 = 13,559,847.50 : x - Step 2: Convert to fraction form
19,752,906.62/27,253,754.43 = 13,559,847.50/x - Step 3: Cross multiply
19,752,906.62x = 27,253,754.43 × 13,559,847.50 - Step 4: Simplify right side
19,752,906.62x = 369,556,753,873,249.44 - Step 5: Solve for x
x = 369,556,753,873,249.44/19,752,906.62 - Step 6: Final answer
x = 18,708,980.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.