Finding the Fourth Proportional to 11,437,461.16, 15,770,361.52 and 8,531,807.49
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Solution
The fourth proportional to 11,437,461.16, 15,770,361.52 and 8,531,807.49 is: 11,763,947.15
Step by Step Solution
- Step 1: Write the proportion equation
11,437,461.16 : 15,770,361.52 = 8,531,807.49 : x - Step 2: Convert to fraction form
11,437,461.16/15,770,361.52 = 8,531,807.49/x - Step 3: Cross multiply
11,437,461.16x = 15,770,361.52 × 8,531,807.49 - Step 4: Simplify right side
11,437,461.16x = 134,549,688,547,008.55 - Step 5: Solve for x
x = 134,549,688,547,008.55/11,437,461.16 - Step 6: Final answer
x = 11,763,947.15
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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.