Finding the Fourth Proportional to 22,267,337.60, 33,381,566.40 and 8,629,788.80
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Solution
The fourth proportional to 22,267,337.60, 33,381,566.40 and 8,629,788.80 is: 12,937,149.16
Step by Step Solution
- Step 1: Write the proportion equation
22,267,337.60 : 33,381,566.40 = 8,629,788.80 : x - Step 2: Convert to fraction form
22,267,337.60/33,381,566.40 = 8,629,788.80/x - Step 3: Cross multiply
22,267,337.60x = 33,381,566.40 × 8,629,788.80 - Step 4: Simplify right side
22,267,337.60x = 288,075,867,845,176.31 - Step 5: Solve for x
x = 288,075,867,845,176.31/22,267,337.60 - Step 6: Final answer
x = 12,937,149.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.