Finding the Fourth Proportional to 12,674,246.78, 17,490,465.27 and 6,873,026.99
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Solution
The fourth proportional to 12,674,246.78, 17,490,465.27 and 6,873,026.99 is: 9,484,779.79
Step by Step Solution
- Step 1: Write the proportion equation
12,674,246.78 : 17,490,465.27 = 6,873,026.99 : x - Step 2: Convert to fraction form
12,674,246.78/17,490,465.27 = 6,873,026.99/x - Step 3: Cross multiply
12,674,246.78x = 17,490,465.27 × 6,873,026.99 - Step 4: Simplify right side
12,674,246.78x = 120,212,439,780,915.31 - Step 5: Solve for x
x = 120,212,439,780,915.31/12,674,246.78 - Step 6: Final answer
x = 9,484,779.79
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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.