Finding the Fourth Proportional to 13,532,812.91, 18,675,261.84 and 7,337,848.37
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Solution
The fourth proportional to 13,532,812.91, 18,675,261.84 and 7,337,848.37 is: 10,126,219.92
Step by Step Solution
- Step 1: Write the proportion equation
13,532,812.91 : 18,675,261.84 = 7,337,848.37 : x - Step 2: Convert to fraction form
13,532,812.91/18,675,261.84 = 7,337,848.37/x - Step 3: Cross multiply
13,532,812.91x = 18,675,261.84 × 7,337,848.37 - Step 4: Simplify right side
13,532,812.91x = 137,036,239,649,880.80 - Step 5: Solve for x
x = 137,036,239,649,880.80/13,532,812.91 - Step 6: Final answer
x = 10,126,219.92
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1.5x scale
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.