Finding the Fourth Proportional to 16,864,338.72, 23,272,760.64 and 9,129,378.99
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Solution
The fourth proportional to 16,864,338.72, 23,272,760.64 and 9,129,378.99 is: 12,598,528.50
Step by Step Solution
- Step 1: Write the proportion equation
16,864,338.72 : 23,272,760.64 = 9,129,378.99 : x - Step 2: Convert to fraction form
16,864,338.72/23,272,760.64 = 9,129,378.99/x - Step 3: Cross multiply
16,864,338.72x = 23,272,760.64 × 9,129,378.99 - Step 4: Simplify right side
16,864,338.72x = 212,465,852,026,114.97 - Step 5: Solve for x
x = 212,465,852,026,114.97/16,864,338.72 - Step 6: Final answer
x = 12,598,528.50
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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.