Finding the Fourth Proportional to 8,587,794.80, 12,881,692.20 and 3,804,825.80
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Solution
The fourth proportional to 8,587,794.80, 12,881,692.20 and 3,804,825.80 is: 5,707,238.70
Step by Step Solution
- Step 1: Write the proportion equation
8,587,794.80 : 12,881,692.20 = 3,804,825.80 : x - Step 2: Convert to fraction form
8,587,794.80/12,881,692.20 = 3,804,825.80/x - Step 3: Cross multiply
8,587,794.80x = 12,881,692.20 × 3,804,825.80 - Step 4: Simplify right side
8,587,794.80x = 49,012,594,830,218.76 - Step 5: Solve for x
x = 49,012,594,830,218.76/8,587,794.80 - Step 6: Final answer
x = 5,707,238.70
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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.