Finding the Fourth Proportional to 25,294,209.68, 34,910,738.16 and 14,429,193.68
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Solution
The fourth proportional to 25,294,209.68, 34,910,738.16 and 14,429,193.68 is: 19,914,984.84
Step by Step Solution
- Step 1: Write the proportion equation
25,294,209.68 : 34,910,738.16 = 14,429,193.68 : x - Step 2: Convert to fraction form
25,294,209.68/34,910,738.16 = 14,429,193.68/x - Step 3: Cross multiply
25,294,209.68x = 34,910,738.16 × 14,429,193.68 - Step 4: Simplify right side
25,294,209.68x = 503,733,802,422,406.75 - Step 5: Solve for x
x = 503,733,802,422,406.75/25,294,209.68 - Step 6: Final answer
x = 19,914,984.84
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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.