Finding the Fourth Proportional to 14,019,743.70, 21,029,615.55 and 6,461,471.70
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Solution
The fourth proportional to 14,019,743.70, 21,029,615.55 and 6,461,471.70 is: 9,692,207.55
Step by Step Solution
- Step 1: Write the proportion equation
14,019,743.70 : 21,029,615.55 = 6,461,471.70 : x - Step 2: Convert to fraction form
14,019,743.70/21,029,615.55 = 6,461,471.70/x - Step 3: Cross multiply
14,019,743.70x = 21,029,615.55 × 6,461,471.70 - Step 4: Simplify right side
14,019,743.70x = 135,882,265,738,204.94 - Step 5: Solve for x
x = 135,882,265,738,204.94/14,019,743.70 - Step 6: Final answer
x = 9,692,207.55
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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.