Finding the Fourth Proportional to 8,062,309.12, 11,125,984.32 and 4,440,637.12
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Solution
The fourth proportional to 8,062,309.12, 11,125,984.32 and 4,440,637.12 is: 6,128,077.98
Step by Step Solution
- Step 1: Write the proportion equation
8,062,309.12 : 11,125,984.32 = 4,440,637.12 : x - Step 2: Convert to fraction form
8,062,309.12/11,125,984.32 = 4,440,637.12/x - Step 3: Cross multiply
8,062,309.12x = 11,125,984.32 × 4,440,637.12 - Step 4: Simplify right side
8,062,309.12x = 49,406,458,967,929.96 - Step 5: Solve for x
x = 49,406,458,967,929.96/8,062,309.12 - Step 6: Final answer
x = 6,128,077.98
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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.