Finding the Fourth Proportional to 10,928,282.96, 15,082,352.88 and 6,219,823.20
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Solution
The fourth proportional to 10,928,282.96, 15,082,352.88 and 6,219,823.20 is: 8,584,108.66
Step by Step Solution
- Step 1: Write the proportion equation
10,928,282.96 : 15,082,352.88 = 6,219,823.20 : x - Step 2: Convert to fraction form
10,928,282.96/15,082,352.88 = 6,219,823.20/x - Step 3: Cross multiply
10,928,282.96x = 15,082,352.88 × 6,219,823.20 - Step 4: Simplify right side
10,928,282.96x = 93,809,568,353,610.83 - Step 5: Solve for x
x = 93,809,568,353,610.83/10,928,282.96 - Step 6: Final answer
x = 8,584,108.66
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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.