Finding the Fourth Proportional to 21,417,204,491.76, 29,556,459,073.08 and 11,902,157,284.08
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Solution
The fourth proportional to 21,417,204,491.76, 29,556,459,073.08 and 11,902,157,284.08 is: 16,425,375,439.81
Step by Step Solution
- Step 1: Write the proportion equation
21,417,204,491.76 : 29,556,459,073.08 = 11,902,157,284.08 : x - Step 2: Convert to fraction form
21,417,204,491.76/29,556,459,073.08 = 11,902,157,284.08/x - Step 3: Cross multiply
21,417,204,491.76x = 29,556,459,073.08 × 11,902,157,284.08 - Step 4: Simplify right side
21,417,204,491.76x = 351,785,624,648,271,527,936 - Step 5: Solve for x
x = 351,785,624,648,271,527,936/21,417,204,491.76 - Step 6: Final answer
x = 16,425,375,439.81
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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.