Finding the Fourth Proportional to 10,415,556.70, 15,624,368.40 and 4,352,183.94
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Solution
The fourth proportional to 10,415,556.70, 15,624,368.40 and 4,352,183.94 is: 6,528,707.70
Step by Step Solution
- Step 1: Write the proportion equation
10,415,556.70 : 15,624,368.40 = 4,352,183.94 : x - Step 2: Convert to fraction form
10,415,556.70/15,624,368.40 = 4,352,183.94/x - Step 3: Cross multiply
10,415,556.70x = 15,624,368.40 × 4,352,183.94 - Step 4: Simplify right side
10,415,556.70x = 68,000,125,223,123.51 - Step 5: Solve for x
x = 68,000,125,223,123.51/10,415,556.70 - Step 6: Final answer
x = 6,528,707.70
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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.