Finding the Fourth Proportional to 13,656,334.02, 18,845,521 and 7,461,247.62
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Solution
The fourth proportional to 13,656,334.02, 18,845,521 and 7,461,247.62 is: 10,296,401.55
Step by Step Solution
- Step 1: Write the proportion equation
13,656,334.02 : 18,845,521 = 7,461,247.62 : x - Step 2: Convert to fraction form
13,656,334.02/18,845,521 = 7,461,247.62/x - Step 3: Cross multiply
13,656,334.02x = 18,845,521 × 7,461,247.62 - Step 4: Simplify right side
13,656,334.02x = 140,611,098,708,910.02 - Step 5: Solve for x
x = 140,611,098,708,910.02/13,656,334.02 - Step 6: Final answer
x = 10,296,401.55
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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.