Finding the Fourth Proportional to 14,761,816.86, 22,149,117.81 and 7,930,419.42
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Solution
The fourth proportional to 14,761,816.86, 22,149,117.81 and 7,930,419.42 is: 11,899,063.35
Step by Step Solution
- Step 1: Write the proportion equation
14,761,816.86 : 22,149,117.81 = 7,930,419.42 : x - Step 2: Convert to fraction form
14,761,816.86/22,149,117.81 = 7,930,419.42/x - Step 3: Cross multiply
14,761,816.86x = 22,149,117.81 × 7,930,419.42 - Step 4: Simplify right side
14,761,816.86x = 175,651,794,016,291.84 - Step 5: Solve for x
x = 175,651,794,016,291.84/14,761,816.86 - Step 6: Final answer
x = 11,899,063.35
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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.