Finding the Fourth Proportional to 11,453,878.44, 15,805,945.54 and 6,297,202.44
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Solution
The fourth proportional to 11,453,878.44, 15,805,945.54 and 6,297,202.44 is: 8,689,915.76
Step by Step Solution
- Step 1: Write the proportion equation
11,453,878.44 : 15,805,945.54 = 6,297,202.44 : x - Step 2: Convert to fraction form
11,453,878.44/15,805,945.54 = 6,297,202.44/x - Step 3: Cross multiply
11,453,878.44x = 15,805,945.54 × 6,297,202.44 - Step 4: Simplify right side
11,453,878.44x = 99,533,238,820,995.12 - Step 5: Solve for x
x = 99,533,238,820,995.12/11,453,878.44 - Step 6: Final answer
x = 8,689,915.76
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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.