Finding the Fourth Proportional to 47,476,688.97, 71,205,068.79 and 13,390,063.23
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Solution
The fourth proportional to 47,476,688.97, 71,205,068.79 and 13,390,063.23 is: 20,082,284.47
Step by Step Solution
- Step 1: Write the proportion equation
47,476,688.97 : 71,205,068.79 = 13,390,063.23 : x - Step 2: Convert to fraction form
47,476,688.97/71,205,068.79 = 13,390,063.23/x - Step 3: Cross multiply
47,476,688.97x = 71,205,068.79 × 13,390,063.23 - Step 4: Simplify right side
47,476,688.97x = 953,440,373,394,599.75 - Step 5: Solve for x
x = 953,440,373,394,599.75/47,476,688.97 - Step 6: Final answer
x = 20,082,284.47
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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.