Finding the Fourth Proportional to 11,485,261.80, 15,848,947.14 and 6,328,334.76
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Solution
The fourth proportional to 11,485,261.80, 15,848,947.14 and 6,328,334.76 is: 8,732,708.48
Step by Step Solution
- Step 1: Write the proportion equation
11,485,261.80 : 15,848,947.14 = 6,328,334.76 : x - Step 2: Convert to fraction form
11,485,261.80/15,848,947.14 = 6,328,334.76/x - Step 3: Cross multiply
11,485,261.80x = 15,848,947.14 × 6,328,334.76 - Step 4: Simplify right side
11,485,261.80x = 100,297,443,095,464.59 - Step 5: Solve for x
x = 100,297,443,095,464.59/11,485,261.80 - Step 6: Final answer
x = 8,732,708.48
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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.