Finding the Fourth Proportional to 13,239,814.58, 19,859,692.67 and 3,524,429.76
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Solution
The fourth proportional to 13,239,814.58, 19,859,692.67 and 3,524,429.76 is: 5,286,636.86
Step by Step Solution
- Step 1: Write the proportion equation
13,239,814.58 : 19,859,692.67 = 3,524,429.76 : x - Step 2: Convert to fraction form
13,239,814.58/19,859,692.67 = 3,524,429.76/x - Step 3: Cross multiply
13,239,814.58x = 19,859,692.67 × 3,524,429.76 - Step 4: Simplify right side
13,239,814.58x = 69,994,091,753,681.24 - Step 5: Solve for x
x = 69,994,091,753,681.24/13,239,814.58 - Step 6: Final answer
x = 5,286,636.86
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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.