Finding the Fourth Proportional to 10,407,878.08, 14,362,984.77 and 5,761,740.08
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Solution
The fourth proportional to 10,407,878.08, 14,362,984.77 and 5,761,740.08 is: 7,951,263.88
Step by Step Solution
- Step 1: Write the proportion equation
10,407,878.08 : 14,362,984.77 = 5,761,740.08 : x - Step 2: Convert to fraction form
10,407,878.08/14,362,984.77 = 5,761,740.08/x - Step 3: Cross multiply
10,407,878.08x = 14,362,984.77 × 5,761,740.08 - Step 4: Simplify right side
10,407,878.08x = 82,755,785,032,039.52 - Step 5: Solve for x
x = 82,755,785,032,039.52/10,407,878.08 - Step 6: Final answer
x = 7,951,263.88
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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.