Finding the Fourth Proportional to 11,040,258.80, 15,235,554.12 and 6,145,374.80
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Solution
The fourth proportional to 11,040,258.80, 15,235,554.12 and 6,145,374.80 is: 8,480,615.54
Step by Step Solution
- Step 1: Write the proportion equation
11,040,258.80 : 15,235,554.12 = 6,145,374.80 : x - Step 2: Convert to fraction form
11,040,258.80/15,235,554.12 = 6,145,374.80/x - Step 3: Cross multiply
11,040,258.80x = 15,235,554.12 × 6,145,374.80 - Step 4: Simplify right side
11,040,258.80x = 93,628,190,353,084.17 - Step 5: Solve for x
x = 93,628,190,353,084.17/11,040,258.80 - Step 6: Final answer
x = 8,480,615.54
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1.5x scale
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.