Finding the Fourth Proportional to 10,999,589.79, 15,179,244.24 and 6,105,018.18
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Solution
The fourth proportional to 10,999,589.79, 15,179,244.24 and 6,105,018.18 is: 8,424,819.82
Step by Step Solution
- Step 1: Write the proportion equation
10,999,589.79 : 15,179,244.24 = 6,105,018.18 : x - Step 2: Convert to fraction form
10,999,589.79/15,179,244.24 = 6,105,018.18/x - Step 3: Cross multiply
10,999,589.79x = 15,179,244.24 × 6,105,018.18 - Step 4: Simplify right side
10,999,589.79x = 92,669,562,043,860.28 - Step 5: Solve for x
x = 92,669,562,043,860.28/10,999,589.79 - Step 6: Final answer
x = 8,424,819.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.