Finding the Fourth Proportional to 11,130,878.32, 15,362,233.71 and 6,236,431.24
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Solution
The fourth proportional to 11,130,878.32, 15,362,233.71 and 6,236,431.24 is: 8,607,183.68
Step by Step Solution
- Step 1: Write the proportion equation
11,130,878.32 : 15,362,233.71 = 6,236,431.24 : x - Step 2: Convert to fraction form
11,130,878.32/15,362,233.71 = 6,236,431.24/x - Step 3: Cross multiply
11,130,878.32x = 15,362,233.71 × 6,236,431.24 - Step 4: Simplify right side
11,130,878.32x = 95,805,514,225,225.11 - Step 5: Solve for x
x = 95,805,514,225,225.11/11,130,878.32 - Step 6: Final answer
x = 8,607,183.68
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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.