Finding the Fourth Proportional to 11,109,347.56, 15,330,175.86 and 6,213,720.52
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Solution
The fourth proportional to 11,109,347.56, 15,330,175.86 and 6,213,720.52 is: 8,574,529.49
Step by Step Solution
- Step 1: Write the proportion equation
11,109,347.56 : 15,330,175.86 = 6,213,720.52 : x - Step 2: Convert to fraction form
11,109,347.56/15,330,175.86 = 6,213,720.52/x - Step 3: Cross multiply
11,109,347.56x = 15,330,175.86 × 6,213,720.52 - Step 4: Simplify right side
11,109,347.56x = 95,257,428,316,490.64 - Step 5: Solve for x
x = 95,257,428,316,490.64/11,109,347.56 - Step 6: Final answer
x = 8,574,529.49
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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.