Finding the Fourth Proportional to 12,427,454.26, 17,149,748.79 and 6,920,708.95
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Solution
The fourth proportional to 12,427,454.26, 17,149,748.79 and 6,920,708.95 is: 9,550,501.45
Step by Step Solution
- Step 1: Write the proportion equation
12,427,454.26 : 17,149,748.79 = 6,920,708.95 : x - Step 2: Convert to fraction form
12,427,454.26/17,149,748.79 = 6,920,708.95/x - Step 3: Cross multiply
12,427,454.26x = 17,149,748.79 × 6,920,708.95 - Step 4: Simplify right side
12,427,454.26x = 118,688,419,941,204.67 - Step 5: Solve for x
x = 118,688,419,941,204.67/12,427,454.26 - Step 6: Final answer
x = 9,550,501.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.