Finding the Fourth Proportional to 36,960,312.75, 55,401,373.86 and 13,921,278.63
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Solution
The fourth proportional to 36,960,312.75, 55,401,373.86 and 13,921,278.63 is: 20,867,192.53
Step by Step Solution
- Step 1: Write the proportion equation
36,960,312.75 : 55,401,373.86 = 13,921,278.63 : x - Step 2: Convert to fraction form
36,960,312.75/55,401,373.86 = 13,921,278.63/x - Step 3: Cross multiply
36,960,312.75x = 55,401,373.86 × 13,921,278.63 - Step 4: Simplify right side
36,960,312.75x = 771,257,961,989,858.62 - Step 5: Solve for x
x = 771,257,961,989,858.62/36,960,312.75 - Step 6: Final answer
x = 20,867,192.53
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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.