Finding the Fourth Proportional to 22,223,996.80, 33,286,228.80 and 13,266,044.80
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Solution
The fourth proportional to 22,223,996.80, 33,286,228.80 and 13,266,044.80 is: 19,869,360.42
Step by Step Solution
- Step 1: Write the proportion equation
22,223,996.80 : 33,286,228.80 = 13,266,044.80 : x - Step 2: Convert to fraction form
22,223,996.80/33,286,228.80 = 13,266,044.80/x - Step 3: Cross multiply
22,223,996.80x = 33,286,228.80 × 13,266,044.80 - Step 4: Simplify right side
22,223,996.80x = 441,576,602,483,850.25 - Step 5: Solve for x
x = 441,576,602,483,850.25/22,223,996.80 - Step 6: Final answer
x = 19,869,360.42
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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.