Finding the Fourth Proportional to 15,539,057.70, 23,310,713.75 and 5,301,168.74
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Solution
The fourth proportional to 15,539,057.70, 23,310,713.75 and 5,301,168.74 is: 7,952,478.80
Step by Step Solution
- Step 1: Write the proportion equation
15,539,057.70 : 23,310,713.75 = 5,301,168.74 : x - Step 2: Convert to fraction form
15,539,057.70/23,310,713.75 = 5,301,168.74/x - Step 3: Cross multiply
15,539,057.70x = 23,310,713.75 × 5,301,168.74 - Step 4: Simplify right side
15,539,057.70x = 123,574,026,895,528.78 - Step 5: Solve for x
x = 123,574,026,895,528.78/15,539,057.70 - Step 6: Final answer
x = 7,952,478.80
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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.