Finding the Fourth Proportional to 21,674,527.92, 32,489,033.58 and 7,292,603.16
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Solution
The fourth proportional to 21,674,527.92, 32,489,033.58 and 7,292,603.16 is: 10,931,247.49
Step by Step Solution
- Step 1: Write the proportion equation
21,674,527.92 : 32,489,033.58 = 7,292,603.16 : x - Step 2: Convert to fraction form
21,674,527.92/32,489,033.58 = 7,292,603.16/x - Step 3: Cross multiply
21,674,527.92x = 32,489,033.58 × 7,292,603.16 - Step 4: Simplify right side
21,674,527.92x = 236,929,628,950,854.09 - Step 5: Solve for x
x = 236,929,628,950,854.09/21,674,527.92 - Step 6: Final answer
x = 10,931,247.49
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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.