Finding the Fourth Proportional to 43,425,677.51, 65,140,611.12 and 14,278,871.19
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Solution
The fourth proportional to 43,425,677.51, 65,140,611.12 and 14,278,871.19 is: 21,418,995.60
Step by Step Solution
- Step 1: Write the proportion equation
43,425,677.51 : 65,140,611.12 = 14,278,871.19 : x - Step 2: Convert to fraction form
43,425,677.51/65,140,611.12 = 14,278,871.19/x - Step 3: Cross multiply
43,425,677.51x = 65,140,611.12 × 14,278,871.19 - Step 4: Simplify right side
43,425,677.51x = 930,134,395,420,361.50 - Step 5: Solve for x
x = 930,134,395,420,361.50/43,425,677.51 - Step 6: Final answer
x = 21,418,995.60
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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.