Finding the Fourth Proportional to 19,996,734.24, 29,995,145.10 and 7,226,258.04
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Solution
The fourth proportional to 19,996,734.24, 29,995,145.10 and 7,226,258.04 is: 10,839,402.87
Step by Step Solution
- Step 1: Write the proportion equation
19,996,734.24 : 29,995,145.10 = 7,226,258.04 : x - Step 2: Convert to fraction form
19,996,734.24/29,995,145.10 = 7,226,258.04/x - Step 3: Cross multiply
19,996,734.24x = 29,995,145.10 × 7,226,258.04 - Step 4: Simplify right side
19,996,734.24x = 216,752,658,439,841.62 - Step 5: Solve for x
x = 216,752,658,439,841.62/19,996,734.24 - Step 6: Final answer
x = 10,839,402.87
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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.