Finding the Fourth Proportional to 19,851,314.72, 29,782,023.84 and 11,660,883.08
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Solution
The fourth proportional to 19,851,314.72, 29,782,023.84 and 11,660,883.08 is: 17,494,292.08
Step by Step Solution
- Step 1: Write the proportion equation
19,851,314.72 : 29,782,023.84 = 11,660,883.08 : x - Step 2: Convert to fraction form
19,851,314.72/29,782,023.84 = 11,660,883.08/x - Step 3: Cross multiply
19,851,314.72x = 29,782,023.84 × 11,660,883.08 - Step 4: Simplify right side
19,851,314.72x = 347,284,697,884,012.62 - Step 5: Solve for x
x = 347,284,697,884,012.62/19,851,314.72 - Step 6: Final answer
x = 17,494,292.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.