Finding the Fourth Proportional to 11,509,769.96, 15,883,484.11 and 6,353,132.58
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Solution
The fourth proportional to 11,509,769.96, 15,883,484.11 and 6,353,132.58 is: 8,767,323.82
Step by Step Solution
- Step 1: Write the proportion equation
11,509,769.96 : 15,883,484.11 = 6,353,132.58 : x - Step 2: Convert to fraction form
11,509,769.96/15,883,484.11 = 6,353,132.58/x - Step 3: Cross multiply
11,509,769.96x = 15,883,484.11 × 6,353,132.58 - Step 4: Simplify right side
11,509,769.96x = 100,909,880,383,153.30 - Step 5: Solve for x
x = 100,909,880,383,153.30/11,509,769.96 - Step 6: Final answer
x = 8,767,323.82
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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.