Finding the Fourth Proportional to 19,719,989.65, 29,581,511.46 and 6,589,453.06
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Solution
The fourth proportional to 19,719,989.65, 29,581,511.46 and 6,589,453.06 is: 9,884,689.83
Step by Step Solution
- Step 1: Write the proportion equation
19,719,989.65 : 29,581,511.46 = 6,589,453.06 : x - Step 2: Convert to fraction form
19,719,989.65/29,581,511.46 = 6,589,453.06/x - Step 3: Cross multiply
19,719,989.65x = 29,581,511.46 × 6,589,453.06 - Step 4: Simplify right side
19,719,989.65x = 194,925,981,209,522.06 - Step 5: Solve for x
x = 194,925,981,209,522.06/19,719,989.65 - Step 6: Final answer
x = 9,884,689.83
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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.