Finding the Fourth Proportional to 10,951,672.18, 15,113,276.58 and 6,303,758.80
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Solution
The fourth proportional to 10,951,672.18, 15,113,276.58 and 6,303,758.80 is: 8,699,169.28
Step by Step Solution
- Step 1: Write the proportion equation
10,951,672.18 : 15,113,276.58 = 6,303,758.80 : x - Step 2: Convert to fraction form
10,951,672.18/15,113,276.58 = 6,303,758.80/x - Step 3: Cross multiply
10,951,672.18x = 15,113,276.58 × 6,303,758.80 - Step 4: Simplify right side
10,951,672.18x = 95,270,450,238,008.91 - Step 5: Solve for x
x = 95,270,450,238,008.91/10,951,672.18 - Step 6: Final answer
x = 8,699,169.28
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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.