Finding the Fourth Proportional to 10,299,643.20, 15,449,464.80 and 2,727,374.40
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Solution
The fourth proportional to 10,299,643.20, 15,449,464.80 and 2,727,374.40 is: 4,091,061.60
Step by Step Solution
- Step 1: Write the proportion equation
10,299,643.20 : 15,449,464.80 = 2,727,374.40 : x - Step 2: Convert to fraction form
10,299,643.20/15,449,464.80 = 2,727,374.40/x - Step 3: Cross multiply
10,299,643.20x = 15,449,464.80 × 2,727,374.40 - Step 4: Simplify right side
10,299,643.20x = 42,136,474,789,221.12 - Step 5: Solve for x
x = 42,136,474,789,221.12/10,299,643.20 - Step 6: Final answer
x = 4,091,061.60
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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.