Finding the Fourth Proportional to 25,772,980.93, 35,566,854.29 and 15,176,833.09
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Solution
The fourth proportional to 25,772,980.93, 35,566,854.29 and 15,176,833.09 is: 20,944,112.46
Step by Step Solution
- Step 1: Write the proportion equation
25,772,980.93 : 35,566,854.29 = 15,176,833.09 : x - Step 2: Convert to fraction form
25,772,980.93/35,566,854.29 = 15,176,833.09/x - Step 3: Cross multiply
25,772,980.93x = 35,566,854.29 × 15,176,833.09 - Step 4: Simplify right side
25,772,980.93x = 539,792,211,095,680.44 - Step 5: Solve for x
x = 539,792,211,095,680.44/25,772,980.93 - Step 6: Final answer
x = 20,944,112.46
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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.