Finding the Fourth Proportional to 11,274,258.06, 16,911,378.72 and 6,478,888.74
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Solution
The fourth proportional to 11,274,258.06, 16,911,378.72 and 6,478,888.74 is: 9,718,328.30
Step by Step Solution
- Step 1: Write the proportion equation
11,274,258.06 : 16,911,378.72 = 6,478,888.74 : x - Step 2: Convert to fraction form
11,274,258.06/16,911,378.72 = 6,478,888.74/x - Step 3: Cross multiply
11,274,258.06x = 16,911,378.72 × 6,478,888.74 - Step 4: Simplify right side
11,274,258.06x = 109,566,941,166,883.61 - Step 5: Solve for x
x = 109,566,941,166,883.61/11,274,258.06 - Step 6: Final answer
x = 9,718,328.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.