Finding the Fourth Proportional to 10,230,344.72, 14,115,768.28 and 5,878,590.32
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Solution
The fourth proportional to 10,230,344.72, 14,115,768.28 and 5,878,590.32 is: 8,111,243.66
Step by Step Solution
- Step 1: Write the proportion equation
10,230,344.72 : 14,115,768.28 = 5,878,590.32 : x - Step 2: Convert to fraction form
10,230,344.72/14,115,768.28 = 5,878,590.32/x - Step 3: Cross multiply
10,230,344.72x = 14,115,768.28 × 5,878,590.32 - Step 4: Simplify right side
10,230,344.72x = 82,980,818,770,171.05 - Step 5: Solve for x
x = 82,980,818,770,171.05/10,230,344.72 - Step 6: Final answer
x = 8,111,243.66
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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.