Finding the Fourth Proportional to 11,501,138.51, 15,871,623.19 and 6,344,498.69
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Solution
The fourth proportional to 11,501,138.51, 15,871,623.19 and 6,344,498.69 is: 8,755,436.90
Step by Step Solution
- Step 1: Write the proportion equation
11,501,138.51 : 15,871,623.19 = 6,344,498.69 : x - Step 2: Convert to fraction form
11,501,138.51/15,871,623.19 = 6,344,498.69/x - Step 3: Cross multiply
11,501,138.51x = 15,871,623.19 × 6,344,498.69 - Step 4: Simplify right side
11,501,138.51x = 100,697,492,441,909.25 - Step 5: Solve for x
x = 100,697,492,441,909.25/11,501,138.51 - Step 6: Final answer
x = 8,755,436.90
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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.