Finding the Fourth Proportional to 10,432,813.56, 14,380,647.30 and 8,224,074.06
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Solution
The fourth proportional to 10,432,813.56, 14,380,647.30 and 8,224,074.06 is: 11,336,108.69
Step by Step Solution
- Step 1: Write the proportion equation
10,432,813.56 : 14,380,647.30 = 8,224,074.06 : x - Step 2: Convert to fraction form
10,432,813.56/14,380,647.30 = 8,224,074.06/x - Step 3: Cross multiply
10,432,813.56x = 14,380,647.30 × 8,224,074.06 - Step 4: Simplify right side
10,432,813.56x = 118,267,508,425,939.03 - Step 5: Solve for x
x = 118,267,508,425,939.03/10,432,813.56 - Step 6: Final answer
x = 11,336,108.69
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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.