Finding the Fourth Proportional to 10,157,641.11, 15,236,166.29 and 2,969,343.90
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Solution
The fourth proportional to 10,157,641.11, 15,236,166.29 and 2,969,343.90 is: 4,453,929.50
Step by Step Solution
- Step 1: Write the proportion equation
10,157,641.11 : 15,236,166.29 = 2,969,343.90 : x - Step 2: Convert to fraction form
10,157,641.11/15,236,166.29 = 2,969,343.90/x - Step 3: Cross multiply
10,157,641.11x = 15,236,166.29 × 2,969,343.90 - Step 4: Simplify right side
10,157,641.11x = 45,241,417,417,750.41 - Step 5: Solve for x
x = 45,241,417,417,750.41/10,157,641.11 - Step 6: Final answer
x = 4,453,929.50
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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.