Finding the Fourth Proportional to 35,876,448.36, 49,509,484.38 and 19,578,924.36
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Solution
The fourth proportional to 35,876,448.36, 49,509,484.38 and 19,578,924.36 is: 27,018,907.78
Step by Step Solution
- Step 1: Write the proportion equation
35,876,448.36 : 49,509,484.38 = 19,578,924.36 : x - Step 2: Convert to fraction form
35,876,448.36/49,509,484.38 = 19,578,924.36/x - Step 3: Cross multiply
35,876,448.36x = 49,509,484.38 × 19,578,924.36 - Step 4: Simplify right side
35,876,448.36x = 969,342,449,778,621.50 - Step 5: Solve for x
x = 969,342,449,778,621.50/35,876,448.36 - Step 6: Final answer
x = 27,018,907.78
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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.