Finding the Fourth Proportional to 14,691,221.70, 22,015,318.95 and 13,174,901.70
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Solution
The fourth proportional to 14,691,221.70, 22,015,318.95 and 13,174,901.70 is: 19,743,059.43
Step by Step Solution
- Step 1: Write the proportion equation
14,691,221.70 : 22,015,318.95 = 13,174,901.70 : x - Step 2: Convert to fraction form
14,691,221.70/22,015,318.95 = 13,174,901.70/x - Step 3: Cross multiply
14,691,221.70x = 22,015,318.95 × 13,174,901.70 - Step 4: Simplify right side
14,691,221.70x = 290,049,663,060,397.19 - Step 5: Solve for x
x = 290,049,663,060,397.19/14,691,221.70 - Step 6: Final answer
x = 19,743,059.43
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1.5x scale
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.