Finding the Fourth Proportional to 15,438,207.76, 23,128,082 and 10,305,160
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Solution
The fourth proportional to 15,438,207.76, 23,128,082 and 10,305,160 is: 15,438,228.92
Step by Step Solution
- Step 1: Write the proportion equation
15,438,207.76 : 23,128,082 = 10,305,160 : x - Step 2: Convert to fraction form
15,438,207.76/23,128,082 = 10,305,160/x - Step 3: Cross multiply
15,438,207.76x = 23,128,082 × 10,305,160 - Step 4: Simplify right side
15,438,207.76x = 238,338,585,503,120 - Step 5: Solve for x
x = 238,338,585,503,120/15,438,207.76 - Step 6: Final answer
x = 15,438,228.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.