Finding the Fourth Proportional to 61,203,553.20, 91,805,329.80 and 15,765,347.70
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Solution
The fourth proportional to 61,203,553.20, 91,805,329.80 and 15,765,347.70 is: 23,648,021.55
Step by Step Solution
- Step 1: Write the proportion equation
61,203,553.20 : 91,805,329.80 = 15,765,347.70 : x - Step 2: Convert to fraction form
61,203,553.20/91,805,329.80 = 15,765,347.70/x - Step 3: Cross multiply
61,203,553.20x = 91,805,329.80 × 15,765,347.70 - Step 4: Simplify right side
61,203,553.20x = 1,447,342,945,010,171.25 - Step 5: Solve for x
x = 1,447,342,945,010,171.25/61,203,553.20 - Step 6: Final answer
x = 23,648,021.55
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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.