Finding the Fourth Proportional to 10,205,394.84, 15,307,708.61 and 2,529,061.70
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Solution
The fourth proportional to 10,205,394.84, 15,307,708.61 and 2,529,061.70 is: 3,793,497.47
Step by Step Solution
- Step 1: Write the proportion equation
10,205,394.84 : 15,307,708.61 = 2,529,061.70 : x - Step 2: Convert to fraction form
10,205,394.84/15,307,708.61 = 2,529,061.70/x - Step 3: Cross multiply
10,205,394.84x = 15,307,708.61 × 2,529,061.70 - Step 4: Simplify right side
10,205,394.84x = 38,714,139,471,127.38 - Step 5: Solve for x
x = 38,714,139,471,127.38/10,205,394.84 - Step 6: Final answer
x = 3,793,497.47
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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.