Finding the Fourth Proportional to 11,381,322.49, 15,706,633.85 and 6,487,283.05
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Solution
The fourth proportional to 11,381,322.49, 15,706,633.85 and 6,487,283.05 is: 8,952,683.63
Step by Step Solution
- Step 1: Write the proportion equation
11,381,322.49 : 15,706,633.85 = 6,487,283.05 : x - Step 2: Convert to fraction form
11,381,322.49/15,706,633.85 = 6,487,283.05/x - Step 3: Cross multiply
11,381,322.49x = 15,706,633.85 × 6,487,283.05 - Step 4: Simplify right side
11,381,322.49x = 101,893,379,485,346.28 - Step 5: Solve for x
x = 101,893,379,485,346.28/11,381,322.49 - Step 6: Final answer
x = 8,952,683.63
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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.