Finding the Fourth Proportional to 19,484,529.80, 29,226,794.70 and 5,301,105.80
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Solution
The fourth proportional to 19,484,529.80, 29,226,794.70 and 5,301,105.80 is: 7,951,658.70
Step by Step Solution
- Step 1: Write the proportion equation
19,484,529.80 : 29,226,794.70 = 5,301,105.80 : x - Step 2: Convert to fraction form
19,484,529.80/29,226,794.70 = 5,301,105.80/x - Step 3: Cross multiply
19,484,529.80x = 29,226,794.70 × 5,301,105.80 - Step 4: Simplify right side
19,484,529.80x = 154,934,330,899,579.25 - Step 5: Solve for x
x = 154,934,330,899,579.25/19,484,529.80 - Step 6: Final answer
x = 7,951,658.70
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1.5x scale
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.