Finding the Fourth Proportional to 29,217,513.09, 40,318,692.74 and 15,986,403.66
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Solution
The fourth proportional to 29,217,513.09, 40,318,692.74 and 15,986,403.66 is: 22,060,429.82
Step by Step Solution
- Step 1: Write the proportion equation
29,217,513.09 : 40,318,692.74 = 15,986,403.66 : x - Step 2: Convert to fraction form
29,217,513.09/40,318,692.74 = 15,986,403.66/x - Step 3: Cross multiply
29,217,513.09x = 40,318,692.74 × 15,986,403.66 - Step 4: Simplify right side
29,217,513.09x = 644,550,897,089,570.88 - Step 5: Solve for x
x = 644,550,897,089,570.88/29,217,513.09 - Step 6: Final answer
x = 22,060,429.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.