Finding the Fourth Proportional to 9,181,207.20, 13,771,810.80 and 2,791,449.30
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Solution
The fourth proportional to 9,181,207.20, 13,771,810.80 and 2,791,449.30 is: 4,187,173.95
Step by Step Solution
- Step 1: Write the proportion equation
9,181,207.20 : 13,771,810.80 = 2,791,449.30 : x - Step 2: Convert to fraction form
9,181,207.20/13,771,810.80 = 2,791,449.30/x - Step 3: Cross multiply
9,181,207.20x = 13,771,810.80 × 2,791,449.30 - Step 4: Simplify right side
9,181,207.20x = 38,443,311,617,392.44 - Step 5: Solve for x
x = 38,443,311,617,392.44/9,181,207.20 - Step 6: Final answer
x = 4,187,173.95
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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.