Finding the Fourth Proportional to 19,702,014.49, 29,553,020.18 and 9,985,114.03
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Solution
The fourth proportional to 19,702,014.49, 29,553,020.18 and 9,985,114.03 is: 14,977,670.26
Step by Step Solution
- Step 1: Write the proportion equation
19,702,014.49 : 29,553,020.18 = 9,985,114.03 : x - Step 2: Convert to fraction form
19,702,014.49/29,553,020.18 = 9,985,114.03/x - Step 3: Cross multiply
19,702,014.49x = 29,553,020.18 × 9,985,114.03 - Step 4: Simplify right side
19,702,014.49x = 295,090,276,428,191.12 - Step 5: Solve for x
x = 295,090,276,428,191.12/19,702,014.49 - Step 6: Final answer
x = 14,977,670.26
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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.