Finding the Fourth Proportional to 9,111,748.68, 12,574,475.62 and 5,037,630.12
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Solution
The fourth proportional to 9,111,748.68, 12,574,475.62 and 5,037,630.12 is: 6,952,074.66
Step by Step Solution
- Step 1: Write the proportion equation
9,111,748.68 : 12,574,475.62 = 5,037,630.12 : x - Step 2: Convert to fraction form
9,111,748.68/12,574,475.62 = 5,037,630.12/x - Step 3: Cross multiply
9,111,748.68x = 12,574,475.62 × 5,037,630.12 - Step 4: Simplify right side
9,111,748.68x = 63,345,557,126,517.67 - Step 5: Solve for x
x = 63,345,557,126,517.67/9,111,748.68 - Step 6: Final answer
x = 6,952,074.66
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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.