Finding the Fourth Proportional to 13,235,010.78, 18,264,863.97 and 7,354,623.00
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Solution
The fourth proportional to 13,235,010.78, 18,264,863.97 and 7,354,623.00 is: 10,149,684.87
Step by Step Solution
- Step 1: Write the proportion equation
13,235,010.78 : 18,264,863.97 = 7,354,623.00 : x - Step 2: Convert to fraction form
13,235,010.78/18,264,863.97 = 7,354,623.00/x - Step 3: Cross multiply
13,235,010.78x = 18,264,863.97 × 7,354,623.00 - Step 4: Simplify right side
13,235,010.78x = 134,331,188,709,123.70 - Step 5: Solve for x
x = 134,331,188,709,123.70/13,235,010.78 - Step 6: Final answer
x = 10,149,684.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.