Finding the Fourth Proportional to 19,973,636.84, 29,969,086.41 and 10,740,817.95
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Solution
The fourth proportional to 19,973,636.84, 29,969,086.41 and 10,740,817.95 is: 16,115,868.32
Step by Step Solution
- Step 1: Write the proportion equation
19,973,636.84 : 29,969,086.41 = 10,740,817.95 : x - Step 2: Convert to fraction form
19,973,636.84/29,969,086.41 = 10,740,817.95/x - Step 3: Cross multiply
19,973,636.84x = 29,969,086.41 × 10,740,817.95 - Step 4: Simplify right side
19,973,636.84x = 321,892,501,175,458.88 - Step 5: Solve for x
x = 321,892,501,175,458.88/19,973,636.84 - Step 6: Final answer
x = 16,115,868.32
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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.