Finding the Fourth Proportional to 10,307,490.80, 15,457,299.60 and 3,116,634.80
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Solution
The fourth proportional to 10,307,490.80, 15,457,299.60 and 3,116,634.80 is: 4,673,761.91
Step by Step Solution
- Step 1: Write the proportion equation
10,307,490.80 : 15,457,299.60 = 3,116,634.80 : x - Step 2: Convert to fraction form
10,307,490.80/15,457,299.60 = 3,116,634.80/x - Step 3: Cross multiply
10,307,490.80x = 15,457,299.60 × 3,116,634.80 - Step 4: Simplify right side
10,307,490.80x = 48,174,757,847,386.08 - Step 5: Solve for x
x = 48,174,757,847,386.08/10,307,490.80 - Step 6: Final answer
x = 4,673,761.91
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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.