Finding the Fourth Proportional to 20,958,572.23, 31,442,547.17 and 6,386,632.19
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Solution
The fourth proportional to 20,958,572.23, 31,442,547.17 and 6,386,632.19 is: 9,581,377.09
Step by Step Solution
- Step 1: Write the proportion equation
20,958,572.23 : 31,442,547.17 = 6,386,632.19 : x - Step 2: Convert to fraction form
20,958,572.23/31,442,547.17 = 6,386,632.19/x - Step 3: Cross multiply
20,958,572.23x = 31,442,547.17 × 6,386,632.19 - Step 4: Simplify right side
20,958,572.23x = 200,811,983,922,835.28 - Step 5: Solve for x
x = 200,811,983,922,835.28/20,958,572.23 - Step 6: Final answer
x = 9,581,377.09
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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.