Finding the Fourth Proportional to 13,506,829.95, 18,641,284.08 and 8,282,961.75
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Solution
The fourth proportional to 13,506,829.95, 18,641,284.08 and 8,282,961.75 is: 11,431,627.08
Step by Step Solution
- Step 1: Write the proportion equation
13,506,829.95 : 18,641,284.08 = 8,282,961.75 : x - Step 2: Convert to fraction form
13,506,829.95/18,641,284.08 = 8,282,961.75/x - Step 3: Cross multiply
13,506,829.95x = 18,641,284.08 × 8,282,961.75 - Step 4: Simplify right side
13,506,829.95x = 154,405,043,005,523.94 - Step 5: Solve for x
x = 154,405,043,005,523.94/13,506,829.95 - Step 6: Final answer
x = 11,431,627.08
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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.