Finding the Fourth Proportional to 11,395,671.30, 15,725,928.60 and 6,168,653.82
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Solution
The fourth proportional to 11,395,671.30, 15,725,928.60 and 6,168,653.82 is: 8,512,689.33
Step by Step Solution
- Step 1: Write the proportion equation
11,395,671.30 : 15,725,928.60 = 6,168,653.82 : x - Step 2: Convert to fraction form
11,395,671.30/15,725,928.60 = 6,168,653.82/x - Step 3: Cross multiply
11,395,671.30x = 15,725,928.60 × 6,168,653.82 - Step 4: Simplify right side
11,395,671.30x = 97,007,809,531,437.25 - Step 5: Solve for x
x = 97,007,809,531,437.25/11,395,671.30 - Step 6: Final answer
x = 8,512,689.33
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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.