Finding the Fourth Proportional to 11,191,206.24, 15,443,865.36 and 6,362,310.24
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Solution
The fourth proportional to 11,191,206.24, 15,443,865.36 and 6,362,310.24 is: 8,779,988.56
Step by Step Solution
- Step 1: Write the proportion equation
11,191,206.24 : 15,443,865.36 = 6,362,310.24 : x - Step 2: Convert to fraction form
11,191,206.24/15,443,865.36 = 6,362,310.24/x - Step 3: Cross multiply
11,191,206.24x = 15,443,865.36 × 6,362,310.24 - Step 4: Simplify right side
11,191,206.24x = 98,258,662,725,109.28 - Step 5: Solve for x
x = 98,258,662,725,109.28/11,191,206.24 - Step 6: Final answer
x = 8,779,988.56
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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.