Finding the Fourth Proportional to 29,308,899.24, 40,419,818.64 and 18,296,664.12
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Solution
The fourth proportional to 29,308,899.24, 40,419,818.64 and 18,296,664.12 is: 25,232,876.86
Step by Step Solution
- Step 1: Write the proportion equation
29,308,899.24 : 40,419,818.64 = 18,296,664.12 : x - Step 2: Convert to fraction form
29,308,899.24/40,419,818.64 = 18,296,664.12/x - Step 3: Cross multiply
29,308,899.24x = 40,419,818.64 × 18,296,664.12 - Step 4: Simplify right side
29,308,899.24x = 739,547,845,447,395.25 - Step 5: Solve for x
x = 739,547,845,447,395.25/29,308,899.24 - Step 6: Final answer
x = 25,232,876.86
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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.