Finding the Fourth Proportional to 8,671,181.39, 11,966,965.14 and 4,804,915.31
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Solution
The fourth proportional to 8,671,181.39, 11,966,965.14 and 4,804,915.31 is: 6,631,190.31
Step by Step Solution
- Step 1: Write the proportion equation
8,671,181.39 : 11,966,965.14 = 4,804,915.31 : x - Step 2: Convert to fraction form
8,671,181.39/11,966,965.14 = 4,804,915.31/x - Step 3: Cross multiply
8,671,181.39x = 11,966,965.14 × 4,804,915.31 - Step 4: Simplify right side
8,671,181.39x = 57,500,253,955,587.47 - Step 5: Solve for x
x = 57,500,253,955,587.47/8,671,181.39 - Step 6: Final answer
x = 6,631,190.31
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1.5x scale
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.