Finding the Fourth Proportional to 14,343,344.09, 19,793,237.15 and 7,816,833.08
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Solution
The fourth proportional to 14,343,344.09, 19,793,237.15 and 7,816,833.08 is: 10,786,914.81
Step by Step Solution
- Step 1: Write the proportion equation
14,343,344.09 : 19,793,237.15 = 7,816,833.08 : x - Step 2: Convert to fraction form
14,343,344.09/19,793,237.15 = 7,816,833.08/x - Step 3: Cross multiply
14,343,344.09x = 19,793,237.15 × 7,816,833.08 - Step 4: Simplify right side
14,343,344.09x = 154,720,430,776,354.56 - Step 5: Solve for x
x = 154,720,430,776,354.56/14,343,344.09 - Step 6: Final answer
x = 10,786,914.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.