Finding the Fourth Proportional to 10,205,642.40, 15,308,080.68 and 2,529,312.48
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Solution
The fourth proportional to 10,205,642.40, 15,308,080.68 and 2,529,312.48 is: 3,793,873.82
Step by Step Solution
- Step 1: Write the proportion equation
10,205,642.40 : 15,308,080.68 = 2,529,312.48 : x - Step 2: Convert to fraction form
10,205,642.40/15,308,080.68 = 2,529,312.48/x - Step 3: Cross multiply
10,205,642.40x = 15,308,080.68 × 2,529,312.48 - Step 4: Simplify right side
10,205,642.40x = 38,718,919,508,770.88 - Step 5: Solve for x
x = 38,718,919,508,770.88/10,205,642.40 - Step 6: Final answer
x = 3,793,873.82
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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.