Finding the Fourth Proportional to 8,807,961.11, 12,154,961.44 and 4,888,308.99
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Solution
The fourth proportional to 8,807,961.11, 12,154,961.44 and 4,888,308.99 is: 6,745,852.60
Step by Step Solution
- Step 1: Write the proportion equation
8,807,961.11 : 12,154,961.44 = 4,888,308.99 : x - Step 2: Convert to fraction form
8,807,961.11/12,154,961.44 = 4,888,308.99/x - Step 3: Cross multiply
8,807,961.11x = 12,154,961.44 × 4,888,308.99 - Step 4: Simplify right side
8,807,961.11x = 59,417,207,331,946.84 - Step 5: Solve for x
x = 59,417,207,331,946.84/8,807,961.11 - Step 6: Final answer
x = 6,745,852.60
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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.