Finding the Fourth Proportional to 45,728,368.12, 68,578,105.68 and 15,017,887.12
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Solution
The fourth proportional to 45,728,368.12, 68,578,105.68 and 15,017,887.12 is: 22,522,086.23
Step by Step Solution
- Step 1: Write the proportion equation
45,728,368.12 : 68,578,105.68 = 15,017,887.12 : x - Step 2: Convert to fraction form
45,728,368.12/68,578,105.68 = 15,017,887.12/x - Step 3: Cross multiply
45,728,368.12x = 68,578,105.68 × 15,017,887.12 - Step 4: Simplify right side
45,728,368.12x = 1,029,898,250,005,670.88 - Step 5: Solve for x
x = 1,029,898,250,005,670.88/45,728,368.12 - Step 6: Final answer
x = 22,522,086.23
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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.