Finding the Fourth Proportional to 11,386,437.06, 15,696,940.01 and 8,117,576.70
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Solution
The fourth proportional to 11,386,437.06, 15,696,940.01 and 8,117,576.70 is: 11,190,604.55
Step by Step Solution
- Step 1: Write the proportion equation
11,386,437.06 : 15,696,940.01 = 8,117,576.70 : x - Step 2: Convert to fraction form
11,386,437.06/15,696,940.01 = 8,117,576.70/x - Step 3: Cross multiply
11,386,437.06x = 15,696,940.01 × 8,117,576.70 - Step 4: Simplify right side
11,386,437.06x = 127,421,114,407,989.06 - Step 5: Solve for x
x = 127,421,114,407,989.06/11,386,437.06 - Step 6: Final answer
x = 11,190,604.55
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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.