Finding the Fourth Proportional to 49,526,220.60, 74,289,330.90 and 15,447,511.80
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Solution
The fourth proportional to 49,526,220.60, 74,289,330.90 and 15,447,511.80 is: 23,171,267.70
Step by Step Solution
- Step 1: Write the proportion equation
49,526,220.60 : 74,289,330.90 = 15,447,511.80 : x - Step 2: Convert to fraction form
49,526,220.60/74,289,330.90 = 15,447,511.80/x - Step 3: Cross multiply
49,526,220.60x = 74,289,330.90 × 15,447,511.80 - Step 4: Simplify right side
49,526,220.60x = 1,147,585,315,691,854.75 - Step 5: Solve for x
x = 1,147,585,315,691,854.75/49,526,220.60 - Step 6: Final answer
x = 23,171,267.70
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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.