Finding the Fourth Proportional to 20,564,202.26, 30,662,453.98 and 19,999,214.12
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Solution
The fourth proportional to 20,564,202.26, 30,662,453.98 and 19,999,214.12 is: 29,820,022.91
Step by Step Solution
- Step 1: Write the proportion equation
20,564,202.26 : 30,662,453.98 = 19,999,214.12 : x - Step 2: Convert to fraction form
20,564,202.26/30,662,453.98 = 19,999,214.12/x - Step 3: Cross multiply
20,564,202.26x = 30,662,453.98 × 19,999,214.12 - Step 4: Simplify right side
20,564,202.26x = 613,224,982,590,666.25 - Step 5: Solve for x
x = 613,224,982,590,666.25/20,564,202.26 - Step 6: Final answer
x = 29,820,022.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.