Finding the Fourth Proportional to 25,772,979.93, 35,566,852.91 and 15,176,832.09
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Solution
The fourth proportional to 25,772,979.93, 35,566,852.91 and 15,176,832.09 is: 20,944,111.08
Step by Step Solution
- Step 1: Write the proportion equation
25,772,979.93 : 35,566,852.91 = 15,176,832.09 : x - Step 2: Convert to fraction form
25,772,979.93/35,566,852.91 = 15,176,832.09/x - Step 3: Cross multiply
25,772,979.93x = 35,566,852.91 × 15,176,832.09 - Step 4: Simplify right side
25,772,979.93x = 539,792,154,584,797.81 - Step 5: Solve for x
x = 539,792,154,584,797.81/25,772,979.93 - Step 6: Final answer
x = 20,944,111.08
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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.