Finding the Fourth Proportional to 20,728,070.49, 31,090,983.99 and 6,351,179.92
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Solution
The fourth proportional to 20,728,070.49, 31,090,983.99 and 6,351,179.92 is: 9,526,426.17
Step by Step Solution
- Step 1: Write the proportion equation
20,728,070.49 : 31,090,983.99 = 6,351,179.92 : x - Step 2: Convert to fraction form
20,728,070.49/31,090,983.99 = 6,351,179.92/x - Step 3: Cross multiply
20,728,070.49x = 31,090,983.99 × 6,351,179.92 - Step 4: Simplify right side
20,728,070.49x = 197,464,433,210,329.47 - Step 5: Solve for x
x = 197,464,433,210,329.47/20,728,070.49 - Step 6: Final answer
x = 9,526,426.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.