Finding the Fourth Proportional to 13,313,692.18, 18,375,953.84 and 7,808,840.45
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Solution
The fourth proportional to 13,313,692.18, 18,375,953.84 and 7,808,840.45 is: 10,777,993.79
Step by Step Solution
- Step 1: Write the proportion equation
13,313,692.18 : 18,375,953.84 = 7,808,840.45 : x - Step 2: Convert to fraction form
13,313,692.18/18,375,953.84 = 7,808,840.45/x - Step 3: Cross multiply
13,313,692.18x = 18,375,953.84 × 7,808,840.45 - Step 4: Simplify right side
13,313,692.18x = 143,494,891,620,393.84 - Step 5: Solve for x
x = 143,494,891,620,393.84/13,313,692.18 - Step 6: Final answer
x = 10,777,993.79
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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.