Finding the Fourth Proportional to 19,102,141.65, 26,377,340.04 and 18,484,442.01
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Solution
The fourth proportional to 19,102,141.65, 26,377,340.04 and 18,484,442.01 is: 25,524,384.71
Step by Step Solution
- Step 1: Write the proportion equation
19,102,141.65 : 26,377,340.04 = 18,484,442.01 : x - Step 2: Convert to fraction form
19,102,141.65/26,377,340.04 = 18,484,442.01/x - Step 3: Cross multiply
19,102,141.65x = 26,377,340.04 × 18,484,442.01 - Step 4: Simplify right side
19,102,141.65x = 487,570,412,347,431.12 - Step 5: Solve for x
x = 487,570,412,347,431.12/19,102,141.65 - Step 6: Final answer
x = 25,524,384.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.