Finding the Fourth Proportional to 10,787,828.68, 14,887,655.98 and 6,204,153.64
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Solution
The fourth proportional to 10,787,828.68, 14,887,655.98 and 6,204,153.64 is: 8,561,992.20
Step by Step Solution
- Step 1: Write the proportion equation
10,787,828.68 : 14,887,655.98 = 6,204,153.64 : x - Step 2: Convert to fraction form
10,787,828.68/14,887,655.98 = 6,204,153.64/x - Step 3: Cross multiply
10,787,828.68x = 14,887,655.98 × 6,204,153.64 - Step 4: Simplify right side
10,787,828.68x = 92,365,305,039,384.77 - Step 5: Solve for x
x = 92,365,305,039,384.77/10,787,828.68 - Step 6: Final answer
x = 8,561,992.20
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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.