Finding the Fourth Proportional to 21,340,632.68, 32,014,274.46 and 6,960,354.92
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Solution
The fourth proportional to 21,340,632.68, 32,014,274.46 and 6,960,354.92 is: 10,441,616.99
Step by Step Solution
- Step 1: Write the proportion equation
21,340,632.68 : 32,014,274.46 = 6,960,354.92 : x - Step 2: Convert to fraction form
21,340,632.68/32,014,274.46 = 6,960,354.92/x - Step 3: Cross multiply
21,340,632.68x = 32,014,274.46 × 6,960,354.92 - Step 4: Simplify right side
21,340,632.68x = 222,830,712,747,891.34 - Step 5: Solve for x
x = 222,830,712,747,891.34/21,340,632.68 - Step 6: Final answer
x = 10,441,616.99
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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.