Finding the Fourth Proportional to 10,362,692.95, 15,544,039.43 and 8,197,854.55
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Solution
The fourth proportional to 10,362,692.95, 15,544,039.43 and 8,197,854.55 is: 12,296,781.83
Step by Step Solution
- Step 1: Write the proportion equation
10,362,692.95 : 15,544,039.43 = 8,197,854.55 : x - Step 2: Convert to fraction form
10,362,692.95/15,544,039.43 = 8,197,854.55/x - Step 3: Cross multiply
10,362,692.95x = 15,544,039.43 × 8,197,854.55 - Step 4: Simplify right side
10,362,692.95x = 127,427,774,366,604.91 - Step 5: Solve for x
x = 127,427,774,366,604.91/10,362,692.95 - Step 6: Final answer
x = 12,296,781.83
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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.