Finding the Fourth Proportional to 19,605,390.18, 27,056,184.99 and 10,904,191.98
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Solution
The fourth proportional to 19,605,390.18, 27,056,184.99 and 10,904,191.98 is: 15,048,200.15
Step by Step Solution
- Step 1: Write the proportion equation
19,605,390.18 : 27,056,184.99 = 10,904,191.98 : x - Step 2: Convert to fraction form
19,605,390.18/27,056,184.99 = 10,904,191.98/x - Step 3: Cross multiply
19,605,390.18x = 27,056,184.99 × 10,904,191.98 - Step 4: Simplify right side
19,605,390.18x = 295,025,835,377,354.38 - Step 5: Solve for x
x = 295,025,835,377,354.38/19,605,390.18 - Step 6: Final answer
x = 15,048,200.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.