Finding the Fourth Proportional to 53,067,709.20, 79,620,717.47 and 18,529,199.36
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Solution
The fourth proportional to 53,067,709.20, 79,620,717.47 and 18,529,199.36 is: 27,800,486.75
Step by Step Solution
- Step 1: Write the proportion equation
53,067,709.20 : 79,620,717.47 = 18,529,199.36 : x - Step 2: Convert to fraction form
53,067,709.20/79,620,717.47 = 18,529,199.36/x - Step 3: Cross multiply
53,067,709.20x = 79,620,717.47 × 18,529,199.36 - Step 4: Simplify right side
53,067,709.20x = 1,475,308,146,697,115.25 - Step 5: Solve for x
x = 1,475,308,146,697,115.25/53,067,709.20 - Step 6: Final answer
x = 27,800,486.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.