Finding the Fourth Proportional to 18,254,239.48, 25,189,852.49 and 9,992,703.53
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Solution
The fourth proportional to 18,254,239.48, 25,189,852.49 and 9,992,703.53 is: 13,789,384.55
Step by Step Solution
- Step 1: Write the proportion equation
18,254,239.48 : 25,189,852.49 = 9,992,703.53 : x - Step 2: Convert to fraction form
18,254,239.48/25,189,852.49 = 9,992,703.53/x - Step 3: Cross multiply
18,254,239.48x = 25,189,852.49 × 9,992,703.53 - Step 4: Simplify right side
18,254,239.48x = 251,714,727,746,071.28 - Step 5: Solve for x
x = 251,714,727,746,071.28/18,254,239.48 - Step 6: Final answer
x = 13,789,384.55
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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.