Finding the Fourth Proportional to 19,000,517.60, 26,220,076.26 and 11,260,965.08
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Solution
The fourth proportional to 19,000,517.60, 26,220,076.26 and 11,260,965.08 is: 15,539,753.67
Step by Step Solution
- Step 1: Write the proportion equation
19,000,517.60 : 26,220,076.26 = 11,260,965.08 : x - Step 2: Convert to fraction form
19,000,517.60/26,220,076.26 = 11,260,965.08/x - Step 3: Cross multiply
19,000,517.60x = 26,220,076.26 × 11,260,965.08 - Step 4: Simplify right side
19,000,517.60x = 295,263,363,158,797 - Step 5: Solve for x
x = 295,263,363,158,797/19,000,517.60 - Step 6: Final answer
x = 15,539,753.67
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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.