Finding the Fourth Proportional to 7,771,261.13, 10,724,350.69 and 4,286,521.76
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Solution
The fourth proportional to 7,771,261.13, 10,724,350.69 and 4,286,521.76 is: 5,915,405.72
Step by Step Solution
- Step 1: Write the proportion equation
7,771,261.13 : 10,724,350.69 = 4,286,521.76 : x - Step 2: Convert to fraction form
7,771,261.13/10,724,350.69 = 4,286,521.76/x - Step 3: Cross multiply
7,771,261.13x = 10,724,350.69 × 4,286,521.76 - Step 4: Simplify right side
7,771,261.13x = 45,970,162,546,292.41 - Step 5: Solve for x
x = 45,970,162,546,292.41/7,771,261.13 - Step 6: Final answer
x = 5,915,405.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.