Finding the Fourth Proportional to 28,908,101.78, 43,364,701.49 and 8,158,724.73
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Solution
The fourth proportional to 28,908,101.78, 43,364,701.49 and 8,158,724.73 is: 12,238,806.45
Step by Step Solution
- Step 1: Write the proportion equation
28,908,101.78 : 43,364,701.49 = 8,158,724.73 : x - Step 2: Convert to fraction form
28,908,101.78/43,364,701.49 = 8,158,724.73/x - Step 3: Cross multiply
28,908,101.78x = 43,364,701.49 × 8,158,724.73 - Step 4: Simplify right side
28,908,101.78x = 353,800,662,455,530.88 - Step 5: Solve for x
x = 353,800,662,455,530.88/28,908,101.78 - Step 6: Final answer
x = 12,238,806.45
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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.