Finding the Fourth Proportional to 21,420,183.06, 29,559,549.97 and 12,127,513.34
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Solution
The fourth proportional to 21,420,183.06, 29,559,549.97 and 12,127,513.34 is: 16,735,797.06
Step by Step Solution
- Step 1: Write the proportion equation
21,420,183.06 : 29,559,549.97 = 12,127,513.34 : x - Step 2: Convert to fraction form
21,420,183.06/29,559,549.97 = 12,127,513.34/x - Step 3: Cross multiply
21,420,183.06x = 29,559,549.97 × 12,127,513.34 - Step 4: Simplify right side
21,420,183.06x = 358,483,836,585,571.56 - Step 5: Solve for x
x = 358,483,836,585,571.56/21,420,183.06 - Step 6: Final answer
x = 16,735,797.06
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1.5x scale
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.