Finding the Fourth Proportional to 13,366,244.26, 18,445,430.73 and 7,254,674.02
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Solution
The fourth proportional to 13,366,244.26, 18,445,430.73 and 7,254,674.02 is: 10,011,457.56
Step by Step Solution
- Step 1: Write the proportion equation
13,366,244.26 : 18,445,430.73 = 7,254,674.02 : x - Step 2: Convert to fraction form
13,366,244.26/18,445,430.73 = 7,254,674.02/x - Step 3: Cross multiply
13,366,244.26x = 18,445,430.73 × 7,254,674.02 - Step 4: Simplify right side
13,366,244.26x = 133,815,587,104,640.62 - Step 5: Solve for x
x = 133,815,587,104,640.62/13,366,244.26 - Step 6: Final answer
x = 10,011,457.56
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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.