Finding the Fourth Proportional to 10,207,939.35, 15,311,909.04 and 3,018,913.74
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Solution
The fourth proportional to 10,207,939.35, 15,311,909.04 and 3,018,913.74 is: 4,528,370.61
Step by Step Solution
- Step 1: Write the proportion equation
10,207,939.35 : 15,311,909.04 = 3,018,913.74 : x - Step 2: Convert to fraction form
10,207,939.35/15,311,909.04 = 3,018,913.74/x - Step 3: Cross multiply
10,207,939.35x = 15,311,909.04 × 3,018,913.74 - Step 4: Simplify right side
10,207,939.35x = 46,225,332,586,486.21 - Step 5: Solve for x
x = 46,225,332,586,486.21/10,207,939.35 - Step 6: Final answer
x = 4,528,370.61
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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.