Finding the Fourth Proportional to 22,299,964.20, 33,427,352.70 and 15,112,218.60
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Solution
The fourth proportional to 22,299,964.20, 33,427,352.70 and 15,112,218.60 is: 22,653,016.69
Step by Step Solution
- Step 1: Write the proportion equation
22,299,964.20 : 33,427,352.70 = 15,112,218.60 : x - Step 2: Convert to fraction form
22,299,964.20/33,427,352.70 = 15,112,218.60/x - Step 3: Cross multiply
22,299,964.20x = 33,427,352.70 × 15,112,218.60 - Step 4: Simplify right side
22,299,964.20x = 505,161,461,221,700.19 - Step 5: Solve for x
x = 505,161,461,221,700.19/22,299,964.20 - Step 6: Final answer
x = 22,653,016.69
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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.