Finding the Fourth Proportional to 11,007,125.70, 15,190,213.53 and 6,112,429.75
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Solution
The fourth proportional to 11,007,125.70, 15,190,213.53 and 6,112,429.75 is: 8,435,364.11
Step by Step Solution
- Step 1: Write the proportion equation
11,007,125.70 : 15,190,213.53 = 6,112,429.75 : x - Step 2: Convert to fraction form
11,007,125.70/15,190,213.53 = 6,112,429.75/x - Step 3: Cross multiply
11,007,125.70x = 15,190,213.53 × 6,112,429.75 - Step 4: Simplify right side
11,007,125.70x = 92,849,113,089,624.52 - Step 5: Solve for x
x = 92,849,113,089,624.52/11,007,125.70 - Step 6: Final answer
x = 8,435,364.11
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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.