Finding the Fourth Proportional to 7,824,151.99, 11,727,944.67 and 2,631,818.53
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Solution
The fourth proportional to 7,824,151.99, 11,727,944.67 and 2,631,818.53 is: 3,944,941.53
Step by Step Solution
- Step 1: Write the proportion equation
7,824,151.99 : 11,727,944.67 = 2,631,818.53 : x - Step 2: Convert to fraction form
7,824,151.99/11,727,944.67 = 2,631,818.53/x - Step 3: Cross multiply
7,824,151.99x = 11,727,944.67 × 2,631,818.53 - Step 4: Simplify right side
7,824,151.99x = 30,865,822,101,320.73 - Step 5: Solve for x
x = 30,865,822,101,320.73/7,824,151.99 - Step 6: Final answer
x = 3,944,941.53
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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.