Finding the Fourth Proportional to 19,964,796.15, 27,551,437.20 and 10,797,438.90
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Solution
The fourth proportional to 19,964,796.15, 27,551,437.20 and 10,797,438.90 is: 14,900,475.69
Step by Step Solution
- Step 1: Write the proportion equation
19,964,796.15 : 27,551,437.20 = 10,797,438.90 : x - Step 2: Convert to fraction form
19,964,796.15/27,551,437.20 = 10,797,438.90/x - Step 3: Cross multiply
19,964,796.15x = 27,551,437.20 × 10,797,438.90 - Step 4: Simplify right side
19,964,796.15x = 297,484,959,774,187.06 - Step 5: Solve for x
x = 297,484,959,774,187.06/19,964,796.15 - Step 6: Final answer
x = 14,900,475.69
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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.