Finding the Fourth Proportional to 7,927,376.64, 10,939,837.44 and 4,305,703.68
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Solution
The fourth proportional to 7,927,376.64, 10,939,837.44 and 4,305,703.68 is: 5,941,902.41
Step by Step Solution
- Step 1: Write the proportion equation
7,927,376.64 : 10,939,837.44 = 4,305,703.68 : x - Step 2: Convert to fraction form
7,927,376.64/10,939,837.44 = 4,305,703.68/x - Step 3: Cross multiply
7,927,376.64x = 10,939,837.44 × 4,305,703.68 - Step 4: Simplify right side
7,927,376.64x = 47,103,698,324,009.77 - Step 5: Solve for x
x = 47,103,698,324,009.77/7,927,376.64 - Step 6: Final answer
x = 5,941,902.41
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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.