Finding the Fourth Proportional to 10,255,759.08, 14,157,305.34 and 6,390,190.10
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Solution
The fourth proportional to 10,255,759.08, 14,157,305.34 and 6,390,190.10 is: 8,821,177.61
Step by Step Solution
- Step 1: Write the proportion equation
10,255,759.08 : 14,157,305.34 = 6,390,190.10 : x - Step 2: Convert to fraction form
10,255,759.08/14,157,305.34 = 6,390,190.10/x - Step 3: Cross multiply
10,255,759.08x = 14,157,305.34 × 6,390,190.10 - Step 4: Simplify right side
10,255,759.08x = 90,467,872,355,558.61 - Step 5: Solve for x
x = 90,467,872,355,558.61/10,255,759.08 - Step 6: Final answer
x = 8,821,177.61
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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.