Finding the Fourth Proportional to 10,994,281.20, 16,497,326.70 and 4,605,179.40
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Solution
The fourth proportional to 10,994,281.20, 16,497,326.70 and 4,605,179.40 is: 6,910,242.49
Step by Step Solution
- Step 1: Write the proportion equation
10,994,281.20 : 16,497,326.70 = 4,605,179.40 : x - Step 2: Convert to fraction form
10,994,281.20/16,497,326.70 = 4,605,179.40/x - Step 3: Cross multiply
10,994,281.20x = 16,497,326.70 × 4,605,179.40 - Step 4: Simplify right side
10,994,281.20x = 75,973,149,073,909.98 - Step 5: Solve for x
x = 75,973,149,073,909.98/10,994,281.20 - Step 6: Final answer
x = 6,910,242.49
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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.