Finding the Fourth Proportional to 25,770,444.96, 38,668,268.40 and 12,124,949.95
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Solution
The fourth proportional to 25,770,444.96, 38,668,268.40 and 12,124,949.95 is: 18,193,353.65
Step by Step Solution
- Step 1: Write the proportion equation
25,770,444.96 : 38,668,268.40 = 12,124,949.95 : x - Step 2: Convert to fraction form
25,770,444.96/38,668,268.40 = 12,124,949.95/x - Step 3: Cross multiply
25,770,444.96x = 38,668,268.40 × 12,124,949.95 - Step 4: Simplify right side
25,770,444.96x = 468,850,818,918,006.31 - Step 5: Solve for x
x = 468,850,818,918,006.31/25,770,444.96 - Step 6: Final answer
x = 18,193,353.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.