Finding the Fourth Proportional to 10,368,320.70, 15,552,481.05 and 8,688,704.70
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Solution
The fourth proportional to 10,368,320.70, 15,552,481.05 and 8,688,704.70 is: 13,033,057.05
Step by Step Solution
- Step 1: Write the proportion equation
10,368,320.70 : 15,552,481.05 = 8,688,704.70 : x - Step 2: Convert to fraction form
10,368,320.70/15,552,481.05 = 8,688,704.70/x - Step 3: Cross multiply
10,368,320.70x = 15,552,481.05 × 8,688,704.70 - Step 4: Simplify right side
10,368,320.70x = 135,130,915,195,795.94 - Step 5: Solve for x
x = 135,130,915,195,795.94/10,368,320.70 - Step 6: Final answer
x = 13,033,057.05
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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.