Finding the Fourth Proportional to 19,470,906, 29,146,571.28 and 12,248,623.80
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Solution
The fourth proportional to 19,470,906, 29,146,571.28 and 12,248,623.80 is: 18,335,324.85
Step by Step Solution
- Step 1: Write the proportion equation
19,470,906 : 29,146,571.28 = 12,248,623.80 : x - Step 2: Convert to fraction form
19,470,906/29,146,571.28 = 12,248,623.80/x - Step 3: Cross multiply
19,470,906x = 29,146,571.28 × 12,248,623.80 - Step 4: Simplify right side
19,470,906x = 357,005,386,668,604.50 - Step 5: Solve for x
x = 357,005,386,668,604.50/19,470,906 - Step 6: Final answer
x = 18,335,324.85
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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.