Finding the Fourth Proportional to 19,983,529.56, 29,976,384.42 and 6,335,688.92
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Solution
The fourth proportional to 19,983,529.56, 29,976,384.42 and 6,335,688.92 is: 9,503,878.99
Step by Step Solution
- Step 1: Write the proportion equation
19,983,529.56 : 29,976,384.42 = 6,335,688.92 : x - Step 2: Convert to fraction form
19,983,529.56/29,976,384.42 = 6,335,688.92/x - Step 3: Cross multiply
19,983,529.56x = 29,976,384.42 × 6,335,688.92 - Step 4: Simplify right side
19,983,529.56x = 189,921,046,631,454.62 - Step 5: Solve for x
x = 189,921,046,631,454.62/19,983,529.56 - Step 6: Final answer
x = 9,503,878.99
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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.