Finding the Fourth Proportional to 13,308,540.90, 19,962,811.35 and 8,764,720.35
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Solution
The fourth proportional to 13,308,540.90, 19,962,811.35 and 8,764,720.35 is: 13,147,080.53
Step by Step Solution
- Step 1: Write the proportion equation
13,308,540.90 : 19,962,811.35 = 8,764,720.35 : x - Step 2: Convert to fraction form
13,308,540.90/19,962,811.35 = 8,764,720.35/x - Step 3: Cross multiply
13,308,540.90x = 19,962,811.35 × 8,764,720.35 - Step 4: Simplify right side
13,308,540.90x = 174,968,458,882,555.97 - Step 5: Solve for x
x = 174,968,458,882,555.97/13,308,540.90 - Step 6: Final answer
x = 13,147,080.53
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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.