Finding the Fourth Proportional to 19,543,137.80, 29,319,210.18 and 6,763,642.49
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Solution
The fourth proportional to 19,543,137.80, 29,319,210.18 and 6,763,642.49 is: 10,147,022.33
Step by Step Solution
- Step 1: Write the proportion equation
19,543,137.80 : 29,319,210.18 = 6,763,642.49 : x - Step 2: Convert to fraction form
19,543,137.80/29,319,210.18 = 6,763,642.49/x - Step 3: Cross multiply
19,543,137.80x = 29,319,210.18 × 6,763,642.49 - Step 4: Simplify right side
19,543,137.80x = 198,304,655,600,092.50 - Step 5: Solve for x
x = 198,304,655,600,092.50/19,543,137.80 - Step 6: Final answer
x = 10,147,022.33
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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.