Finding the Fourth Proportional to 19,800,738.16, 29,701,130.91 and 5,423,929.90
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Solution
The fourth proportional to 19,800,738.16, 29,701,130.91 and 5,423,929.90 is: 8,135,901.33
Step by Step Solution
- Step 1: Write the proportion equation
19,800,738.16 : 29,701,130.91 = 5,423,929.90 : x - Step 2: Convert to fraction form
19,800,738.16/29,701,130.91 = 5,423,929.90/x - Step 3: Cross multiply
19,800,738.16x = 29,701,130.91 × 5,423,929.90 - Step 4: Simplify right side
19,800,738.16x = 161,096,852,006,563.22 - Step 5: Solve for x
x = 161,096,852,006,563.22/19,800,738.16 - Step 6: Final answer
x = 8,135,901.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.