Finding the Fourth Proportional to 10,165,856.94, 14,028,899.49 and 5,582,468.70
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Solution
The fourth proportional to 10,165,856.94, 14,028,899.49 and 5,582,468.70 is: 7,703,816.09
Step by Step Solution
- Step 1: Write the proportion equation
10,165,856.94 : 14,028,899.49 = 5,582,468.70 : x - Step 2: Convert to fraction form
10,165,856.94/14,028,899.49 = 5,582,468.70/x - Step 3: Cross multiply
10,165,856.94x = 14,028,899.49 × 5,582,468.70 - Step 4: Simplify right side
10,165,856.94x = 78,315,892,298,370.97 - Step 5: Solve for x
x = 78,315,892,298,370.97/10,165,856.94 - Step 6: Final answer
x = 7,703,816.09
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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.