Finding the Fourth Proportional to 7,264,930.70, 10,897,396.05 and 6,481,109.90
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Solution
The fourth proportional to 7,264,930.70, 10,897,396.05 and 6,481,109.90 is: 9,721,664.85
Step by Step Solution
- Step 1: Write the proportion equation
7,264,930.70 : 10,897,396.05 = 6,481,109.90 : x - Step 2: Convert to fraction form
7,264,930.70/10,897,396.05 = 6,481,109.90/x - Step 3: Cross multiply
7,264,930.70x = 10,897,396.05 × 6,481,109.90 - Step 4: Simplify right side
7,264,930.70x = 70,627,221,423,875.91 - Step 5: Solve for x
x = 70,627,221,423,875.91/7,264,930.70 - Step 6: Final answer
x = 9,721,664.85
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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.