Finding the Fourth Proportional to 43,385,459.44, 65,078,637.36 and 11,037,377.20
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Solution
The fourth proportional to 43,385,459.44, 65,078,637.36 and 11,037,377.20 is: 16,556,179.82
Step by Step Solution
- Step 1: Write the proportion equation
43,385,459.44 : 65,078,637.36 = 11,037,377.20 : x - Step 2: Convert to fraction form
43,385,459.44/65,078,637.36 = 11,037,377.20/x - Step 3: Cross multiply
43,385,459.44x = 65,078,637.36 × 11,037,377.20 - Step 4: Simplify right side
43,385,459.44x = 718,297,468,204,332.12 - Step 5: Solve for x
x = 718,297,468,204,332.12/43,385,459.44 - Step 6: Final answer
x = 16,556,179.82
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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.