Finding the Fourth Proportional to 10,503,139.44, 15,748,409.88 and 4,816,239.60
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Solution
The fourth proportional to 10,503,139.44, 15,748,409.88 and 4,816,239.60 is: 7,221,470.85
Step by Step Solution
- Step 1: Write the proportion equation
10,503,139.44 : 15,748,409.88 = 4,816,239.60 : x - Step 2: Convert to fraction form
10,503,139.44/15,748,409.88 = 4,816,239.60/x - Step 3: Cross multiply
10,503,139.44x = 15,748,409.88 × 4,816,239.60 - Step 4: Simplify right side
10,503,139.44x = 75,848,115,301,087.25 - Step 5: Solve for x
x = 75,848,115,301,087.25/10,503,139.44 - Step 6: Final answer
x = 7,221,470.85
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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.