Finding the Fourth Proportional to 26,873,443.09, 37,084,997.33 and 15,112,707.97
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Solution
The fourth proportional to 26,873,443.09, 37,084,997.33 and 15,112,707.97 is: 20,855,337.85
Step by Step Solution
- Step 1: Write the proportion equation
26,873,443.09 : 37,084,997.33 = 15,112,707.97 : x - Step 2: Convert to fraction form
26,873,443.09/37,084,997.33 = 15,112,707.97/x - Step 3: Cross multiply
26,873,443.09x = 37,084,997.33 × 15,112,707.97 - Step 4: Simplify right side
26,873,443.09x = 560,454,734,716,519.69 - Step 5: Solve for x
x = 560,454,734,716,519.69/26,873,443.09 - Step 6: Final answer
x = 20,855,337.85
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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.