Finding the Fourth Proportional to 10,887,652.40, 15,024,841.08 and 5,992,769.84
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Solution
The fourth proportional to 10,887,652.40, 15,024,841.08 and 5,992,769.84 is: 8,269,956.75
Step by Step Solution
- Step 1: Write the proportion equation
10,887,652.40 : 15,024,841.08 = 5,992,769.84 : x - Step 2: Convert to fraction form
10,887,652.40/15,024,841.08 = 5,992,769.84/x - Step 3: Cross multiply
10,887,652.40x = 15,024,841.08 × 5,992,769.84 - Step 4: Simplify right side
10,887,652.40x = 90,040,414,475,017.03 - Step 5: Solve for x
x = 90,040,414,475,017.03/10,887,652.40 - Step 6: Final answer
x = 8,269,956.75
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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.