Finding the Fourth Proportional to 11,180,420.16, 15,427,424.16 and 6,284,950.08
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Solution
The fourth proportional to 11,180,420.16, 15,427,424.16 and 6,284,950.08 is: 8,672,356.61
Step by Step Solution
- Step 1: Write the proportion equation
11,180,420.16 : 15,427,424.16 = 6,284,950.08 : x - Step 2: Convert to fraction form
11,180,420.16/15,427,424.16 = 6,284,950.08/x - Step 3: Cross multiply
11,180,420.16x = 15,427,424.16 × 6,284,950.08 - Step 4: Simplify right side
11,180,420.16x = 96,960,590,708,585.94 - Step 5: Solve for x
x = 96,960,590,708,585.94/11,180,420.16 - Step 6: Final answer
x = 8,672,356.61
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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.