Finding the Fourth Proportional to 11,306,804.72, 15,606,161.88 and 6,414,890.34
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Solution
The fourth proportional to 11,306,804.72, 15,606,161.88 and 6,414,890.34 is: 8,854,121.00
Step by Step Solution
- Step 1: Write the proportion equation
11,306,804.72 : 15,606,161.88 = 6,414,890.34 : x - Step 2: Convert to fraction form
11,306,804.72/15,606,161.88 = 6,414,890.34/x - Step 3: Cross multiply
11,306,804.72x = 15,606,161.88 × 6,414,890.34 - Step 4: Simplify right side
11,306,804.72x = 100,111,817,088,488.23 - Step 5: Solve for x
x = 100,111,817,088,488.23/11,306,804.72 - Step 6: Final answer
x = 8,854,121.00
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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.