Finding the Fourth Proportional to 11,746,515.60, 17,615,626.20 and 4,173,728.40
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Solution
The fourth proportional to 11,746,515.60, 17,615,626.20 and 4,173,728.40 is: 6,259,119.03
Step by Step Solution
- Step 1: Write the proportion equation
11,746,515.60 : 17,615,626.20 = 4,173,728.40 : x - Step 2: Convert to fraction form
11,746,515.60/17,615,626.20 = 4,173,728.40/x - Step 3: Cross multiply
11,746,515.60x = 17,615,626.20 × 4,173,728.40 - Step 4: Simplify right side
11,746,515.60x = 73,522,839,354,724.08 - Step 5: Solve for x
x = 73,522,839,354,724.08/11,746,515.60 - Step 6: Final answer
x = 6,259,119.03
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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.