Finding the Fourth Proportional to 12,257,904.47, 16,916,676.41 and 6,751,278.23
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Solution
The fourth proportional to 12,257,904.47, 16,916,676.41 and 6,751,278.23 is: 9,317,187.08
Step by Step Solution
- Step 1: Write the proportion equation
12,257,904.47 : 16,916,676.41 = 6,751,278.23 : x - Step 2: Convert to fraction form
12,257,904.47/16,916,676.41 = 6,751,278.23/x - Step 3: Cross multiply
12,257,904.47x = 16,916,676.41 × 6,751,278.23 - Step 4: Simplify right side
12,257,904.47x = 114,209,189,170,787.56 - Step 5: Solve for x
x = 114,209,189,170,787.56/12,257,904.47 - Step 6: Final answer
x = 9,317,187.08
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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.