Finding the Fourth Proportional to 11,519,525.58, 15,896,641.76 and 6,362,776.41
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Solution
The fourth proportional to 11,519,525.58, 15,896,641.76 and 6,362,776.41 is: 8,780,463.79
Step by Step Solution
- Step 1: Write the proportion equation
11,519,525.58 : 15,896,641.76 = 6,362,776.41 : x - Step 2: Convert to fraction form
11,519,525.58/15,896,641.76 = 6,362,776.41/x - Step 3: Cross multiply
11,519,525.58x = 15,896,641.76 × 6,362,776.41 - Step 4: Simplify right side
11,519,525.58x = 101,146,777,188,748.88 - Step 5: Solve for x
x = 101,146,777,188,748.88/11,519,525.58 - Step 6: Final answer
x = 8,780,463.79
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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.