Finding the Fourth Proportional to 19,586,117.81, 27,000,355.66 and 13,687,438.73
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Solution
The fourth proportional to 19,586,117.81, 27,000,355.66 and 13,687,438.73 is: 18,868,757.82
Step by Step Solution
- Step 1: Write the proportion equation
19,586,117.81 : 27,000,355.66 = 13,687,438.73 : x - Step 2: Convert to fraction form
19,586,117.81/27,000,355.66 = 13,687,438.73/x - Step 3: Cross multiply
19,586,117.81x = 27,000,355.66 × 13,687,438.73 - Step 4: Simplify right side
19,586,117.81x = 369,565,713,615,238.31 - Step 5: Solve for x
x = 369,565,713,615,238.31/19,586,117.81 - Step 6: Final answer
x = 18,868,757.82
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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.