Finding the Fourth Proportional to 9,292,865.92, 12,824,315.76 and 5,425,550.08
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Solution
The fourth proportional to 9,292,865.92, 12,824,315.76 and 5,425,550.08 is: 7,487,352.99
Step by Step Solution
- Step 1: Write the proportion equation
9,292,865.92 : 12,824,315.76 = 5,425,550.08 : x - Step 2: Convert to fraction form
9,292,865.92/12,824,315.76 = 5,425,550.08/x - Step 3: Cross multiply
9,292,865.92x = 12,824,315.76 × 5,425,550.08 - Step 4: Simplify right side
9,292,865.92x = 69,578,967,397,613.26 - Step 5: Solve for x
x = 69,578,967,397,613.26/9,292,865.92 - Step 6: Final answer
x = 7,487,352.99
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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.