Finding the Fourth Proportional to 11,243,040.76, 15,515,392.96 and 6,086,398.48
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Solution
The fourth proportional to 11,243,040.76, 15,515,392.96 and 6,086,398.48 is: 8,399,228.12
Step by Step Solution
- Step 1: Write the proportion equation
11,243,040.76 : 15,515,392.96 = 6,086,398.48 : x - Step 2: Convert to fraction form
11,243,040.76/15,515,392.96 = 6,086,398.48/x - Step 3: Cross multiply
11,243,040.76x = 15,515,392.96 × 6,086,398.48 - Step 4: Simplify right side
11,243,040.76x = 94,432,864,128,346.72 - Step 5: Solve for x
x = 94,432,864,128,346.72/11,243,040.76 - Step 6: Final answer
x = 8,399,228.12
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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.