Finding the Fourth Proportional to 20,069,841.84, 30,102,194.76 and 6,421,846.48
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Solution
The fourth proportional to 20,069,841.84, 30,102,194.76 and 6,421,846.48 is: 9,631,948.02
Step by Step Solution
- Step 1: Write the proportion equation
20,069,841.84 : 30,102,194.76 = 6,421,846.48 : x - Step 2: Convert to fraction form
20,069,841.84/30,102,194.76 = 6,421,846.48/x - Step 3: Cross multiply
20,069,841.84x = 30,102,194.76 × 6,421,846.48 - Step 4: Simplify right side
20,069,841.84x = 193,311,673,459,780.47 - Step 5: Solve for x
x = 193,311,673,459,780.47/20,069,841.84 - Step 6: Final answer
x = 9,631,948.02
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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.