Finding the Fourth Proportional to 19,781,692.61, 29,621,436.23 and 13,652,586.84
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Solution
The fourth proportional to 19,781,692.61, 29,621,436.23 and 13,652,586.84 is: 20,443,611.09
Step by Step Solution
- Step 1: Write the proportion equation
19,781,692.61 : 29,621,436.23 = 13,652,586.84 : x - Step 2: Convert to fraction form
19,781,692.61/29,621,436.23 = 13,652,586.84/x - Step 3: Cross multiply
19,781,692.61x = 29,621,436.23 × 13,652,586.84 - Step 4: Simplify right side
19,781,692.61x = 404,409,230,455,597.19 - Step 5: Solve for x
x = 404,409,230,455,597.19/19,781,692.61 - Step 6: Final answer
x = 20,443,611.09
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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.