Finding the Fourth Proportional to 19,272,220.12, 26,597,885.84 and 11,537,260.44
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Solution
The fourth proportional to 19,272,220.12, 26,597,885.84 and 11,537,260.44 is: 15,922,749.65
Step by Step Solution
- Step 1: Write the proportion equation
19,272,220.12 : 26,597,885.84 = 11,537,260.44 : x - Step 2: Convert to fraction form
19,272,220.12/26,597,885.84 = 11,537,260.44/x - Step 3: Cross multiply
19,272,220.12x = 26,597,885.84 × 11,537,260.44 - Step 4: Simplify right side
19,272,220.12x = 306,866,736,089,468.12 - Step 5: Solve for x
x = 306,866,736,089,468.12/19,272,220.12 - Step 6: Final answer
x = 15,922,749.65
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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.