Finding the Fourth Proportional to 11,263,223.76, 15,543,576.68 and 6,368,340.76
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Solution
The fourth proportional to 11,263,223.76, 15,543,576.68 and 6,368,340.76 is: 8,788,495.63
Step by Step Solution
- Step 1: Write the proportion equation
11,263,223.76 : 15,543,576.68 = 6,368,340.76 : x - Step 2: Convert to fraction form
11,263,223.76/15,543,576.68 = 6,368,340.76/x - Step 3: Cross multiply
11,263,223.76x = 15,543,576.68 × 6,368,340.76 - Step 4: Simplify right side
11,263,223.76x = 98,986,792,817,869.89 - Step 5: Solve for x
x = 98,986,792,817,869.89/11,263,223.76 - Step 6: Final answer
x = 8,788,495.63
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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.