Finding the Fourth Proportional to 37,117,464.84, 51,221,991.06 and 20,600,077.68
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Solution
The fourth proportional to 37,117,464.84, 51,221,991.06 and 20,600,077.68 is: 28,428,045.92
Step by Step Solution
- Step 1: Write the proportion equation
37,117,464.84 : 51,221,991.06 = 20,600,077.68 : x - Step 2: Convert to fraction form
37,117,464.84/51,221,991.06 = 20,600,077.68/x - Step 3: Cross multiply
37,117,464.84x = 51,221,991.06 × 20,600,077.68 - Step 4: Simplify right side
37,117,464.84x = 1,055,176,994,760,265.62 - Step 5: Solve for x
x = 1,055,176,994,760,265.62/37,117,464.84 - Step 6: Final answer
x = 28,428,045.92
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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.