Finding the Fourth Proportional to 23,104,064.84, 31,882,397.02 and 12,648,076.68
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Solution
The fourth proportional to 23,104,064.84, 31,882,397.02 and 12,648,076.68 is: 17,453,682.07
Step by Step Solution
- Step 1: Write the proportion equation
23,104,064.84 : 31,882,397.02 = 12,648,076.68 : x - Step 2: Convert to fraction form
23,104,064.84/31,882,397.02 = 12,648,076.68/x - Step 3: Cross multiply
23,104,064.84x = 31,882,397.02 × 12,648,076.68 - Step 4: Simplify right side
23,104,064.84x = 403,251,002,251,163.50 - Step 5: Solve for x
x = 403,251,002,251,163.50/23,104,064.84 - Step 6: Final answer
x = 17,453,682.07
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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.