Finding the Fourth Proportional to 13,589,368.66, 18,757,006.41 and 8,012,479.78
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Solution
The fourth proportional to 13,589,368.66, 18,757,006.41 and 8,012,479.78 is: 11,059,390.50
Step by Step Solution
- Step 1: Write the proportion equation
13,589,368.66 : 18,757,006.41 = 8,012,479.78 : x - Step 2: Convert to fraction form
13,589,368.66/18,757,006.41 = 8,012,479.78/x - Step 3: Cross multiply
13,589,368.66x = 18,757,006.41 × 8,012,479.78 - Step 4: Simplify right side
13,589,368.66x = 150,290,134,593,455.41 - Step 5: Solve for x
x = 150,290,134,593,455.41/13,589,368.66 - Step 6: Final answer
x = 11,059,390.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.