Finding the Fourth Proportional to 19,251,438.12, 28,862,169.12 and 9,529,343.28
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Solution
The fourth proportional to 19,251,438.12, 28,862,169.12 and 9,529,343.28 is: 14,286,595.92
Step by Step Solution
- Step 1: Write the proportion equation
19,251,438.12 : 28,862,169.12 = 9,529,343.28 : x - Step 2: Convert to fraction form
19,251,438.12/28,862,169.12 = 9,529,343.28/x - Step 3: Cross multiply
19,251,438.12x = 28,862,169.12 × 9,529,343.28 - Step 4: Simplify right side
19,251,438.12x = 275,037,517,349,895.50 - Step 5: Solve for x
x = 275,037,517,349,895.50/19,251,438.12 - Step 6: Final answer
x = 14,286,595.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.