Finding the Fourth Proportional to 12,253,795.84, 16,910,541.50 and 6,672,348.32
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Solution
The fourth proportional to 12,253,795.84, 16,910,541.50 and 6,672,348.32 is: 9,208,005.80
Step by Step Solution
- Step 1: Write the proportion equation
12,253,795.84 : 16,910,541.50 = 6,672,348.32 : x - Step 2: Convert to fraction form
12,253,795.84/16,910,541.50 = 6,672,348.32/x - Step 3: Cross multiply
12,253,795.84x = 16,910,541.50 × 6,672,348.32 - Step 4: Simplify right side
12,253,795.84x = 112,833,023,167,815.28 - Step 5: Solve for x
x = 112,833,023,167,815.28/12,253,795.84 - Step 6: Final answer
x = 9,208,005.80
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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.