Finding the Fourth Proportional to 19,366,868.40, 29,054,130.12 and 5,720,251.92
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Solution
The fourth proportional to 19,366,868.40, 29,054,130.12 and 5,720,251.92 is: 8,581,508.39
Step by Step Solution
- Step 1: Write the proportion equation
19,366,868.40 : 29,054,130.12 = 5,720,251.92 : x - Step 2: Convert to fraction form
19,366,868.40/29,054,130.12 = 5,720,251.92/x - Step 3: Cross multiply
19,366,868.40x = 29,054,130.12 × 5,720,251.92 - Step 4: Simplify right side
19,366,868.40x = 166,196,943,602,859.84 - Step 5: Solve for x
x = 166,196,943,602,859.84/19,366,868.40 - Step 6: Final answer
x = 8,581,508.39
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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.