Finding the Fourth Proportional to 10,930,343.79, 15,085,204.34 and 6,346,665.03
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Solution
The fourth proportional to 10,930,343.79, 15,085,204.34 and 6,346,665.03 is: 8,759,169.95
Step by Step Solution
- Step 1: Write the proportion equation
10,930,343.79 : 15,085,204.34 = 6,346,665.03 : x - Step 2: Convert to fraction form
10,930,343.79/15,085,204.34 = 6,346,665.03/x - Step 3: Cross multiply
10,930,343.79x = 15,085,204.34 × 6,346,665.03 - Step 4: Simplify right side
10,930,343.79x = 95,740,738,823,348.92 - Step 5: Solve for x
x = 95,740,738,823,348.92/10,930,343.79 - Step 6: Final answer
x = 8,759,169.95
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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.