Finding the Fourth Proportional to 10,086,563.48, 15,128,221.37 and 2,896,461.99
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Solution
The fourth proportional to 10,086,563.48, 15,128,221.37 and 2,896,461.99 is: 4,344,226.68
Step by Step Solution
- Step 1: Write the proportion equation
10,086,563.48 : 15,128,221.37 = 2,896,461.99 : x - Step 2: Convert to fraction form
10,086,563.48/15,128,221.37 = 2,896,461.99/x - Step 3: Cross multiply
10,086,563.48x = 15,128,221.37 × 2,896,461.99 - Step 4: Simplify right side
10,086,563.48x = 43,818,318,160,028.42 - Step 5: Solve for x
x = 43,818,318,160,028.42/10,086,563.48 - Step 6: Final answer
x = 4,344,226.68
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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.