Finding the Fourth Proportional to 10,315,021.77, 15,473,062.49 and 2,638,733.09
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Solution
The fourth proportional to 10,315,021.77, 15,473,062.49 and 2,638,733.09 is: 3,958,235.18
Step by Step Solution
- Step 1: Write the proportion equation
10,315,021.77 : 15,473,062.49 = 2,638,733.09 : x - Step 2: Convert to fraction form
10,315,021.77/15,473,062.49 = 2,638,733.09/x - Step 3: Cross multiply
10,315,021.77x = 15,473,062.49 × 2,638,733.09 - Step 4: Simplify right side
10,315,021.77x = 40,829,282,041,280.28 - Step 5: Solve for x
x = 40,829,282,041,280.28/10,315,021.77 - Step 6: Final answer
x = 3,958,235.18
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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.