Finding the Fourth Proportional to 11,475,086.63, 15,835,967.93 and 6,318,632.70
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Solution
The fourth proportional to 11,475,086.63, 15,835,967.93 and 6,318,632.70 is: 8,719,904.96
Step by Step Solution
- Step 1: Write the proportion equation
11,475,086.63 : 15,835,967.93 = 6,318,632.70 : x - Step 2: Convert to fraction form
11,475,086.63/15,835,967.93 = 6,318,632.70/x - Step 3: Cross multiply
11,475,086.63x = 15,835,967.93 × 6,318,632.70 - Step 4: Simplify right side
11,475,086.63x = 100,061,664,767,056.16 - Step 5: Solve for x
x = 100,061,664,767,056.16/11,475,086.63 - Step 6: Final answer
x = 8,719,904.96
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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.