Finding the Fourth Proportional to 10,784,728.53, 14,883,292.67 and 6,378,231.51
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Solution
The fourth proportional to 10,784,728.53, 14,883,292.67 and 6,378,231.51 is: 8,802,176.71
Step by Step Solution
- Step 1: Write the proportion equation
10,784,728.53 : 14,883,292.67 = 6,378,231.51 : x - Step 2: Convert to fraction form
10,784,728.53/14,883,292.67 = 6,378,231.51/x - Step 3: Cross multiply
10,784,728.53x = 14,883,292.67 × 6,378,231.51 - Step 4: Simplify right side
10,784,728.53x = 94,929,086,248,454.86 - Step 5: Solve for x
x = 94,929,086,248,454.86/10,784,728.53 - Step 6: Final answer
x = 8,802,176.71
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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.